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Wednesday 15 June 2016

15-6-2016 RACO DE OLLA, VALENCIA - COMMON TERN (Sterna hirundo)


The Common tern (Sterna hirundo) is a seabird that has a circumpolar distribution. it has four subspecies breeding in temperate and subarctic regions of Europe, Asia, and North America. Its large population and huge breeding range mean that this species is classed as being of least concern, although numbers in North America have declined sharply in recent decades.

Common terns occur from northern Canada to the Caribbean Sea in the south, throughout Europe, Northern Asia, the Middle East and North Africa. Outside of the mating season, these birds winter along the coasts of South America and Central America, along Africa’s coast and the Arabian Peninsula, as well as on islands in the Indian Ocean and throughout Australasia and much of Southeast Asia. They breed on sand spits, beaches and low-lying inshore islands. They also nest inland near slow-flowing rivers, and lakes in open country. This species favors areas that have close shallow waters where they can fish. During migration, they are mainly seen along coasts, at freshwater inland lakes and in estuaries. During winter, they are mostly coastal, in warm tropical and subtropical waters.


Population size
1,6-3,6 Mlnlnn
Life Span
9-29 years
Top speed
54
km/hmph
km/h mph 
Weight
110-141
goz
g oz 
Length
31-35
cminch
cm inch 
Wingspan
77-98
cminch


Known for its attractive plumage and graceful flight, Common terns have a slender body and a smoothly rounded head, and long pointed wings. Their breeding plumage is light silvery-gray upperparts and clear black outer primaries on its wingtips. Outside the breeding season, the birds keep some of their distinguishable black cap, but their forehead and face turn white. Their legs and bill turn black, losing their orange-red coloration. Male and female are similar in appearance throughout the year. Juvenile Common terns have pale grey upper wings with a dark carpal bar. The crown and nape are brown, and the forehead is ginger, wearing to white by autumn. The upper parts are ginger with brown and white scaling, and the tail lacks the adult's long outer feathers. Birds in their first post-juvenile plumage, which normally remain in their wintering areas, resemble the non-breeding adult but have a duskier crown, dark carpal bar, and often very worn plumage. By their second year, most young terns are either indistinguishable from adults, or show only minor differences such as a darker bill or white forehead.

15-6-2016 RACO DE OLLA, VALENCIA - BLACK WINGED STILT (Himantopus himantopus)


Black-winged stilts (Himantopus himantopus) are very long-legged wading birds. They are found in both warm and hot climates, feed on small aquatic creatures, and nest on the ground surface in small colonies.

Adult Black-winged stilts have long, pink legs, and a long, rather thin black bill. They are generally black above and white below, with a white head and neck. Males have a black back, often with a greenish gloss or sheen. Females' backs have a brownish hue, contrasting with the black remiges. In populations where the top of the head is normally white (at least in winter), females tend to have less black on the head and neck the entire year round, while males often have much more black, particularly in summer. This difference is not clear-cut, however, and males usually grow all-white head feathers in winter. Immature birds are grey, instead of black, and have a markedly sandy hue on their wings, with light feather fringes appearing as a whitish line in flight.


Population size
450-780 Thou
Life Span
10-20 years
Weight
165-205
goz
g oz 
Length
33-36
cminch
cm inch 
Wingspan
75
cminch
cm inch 


Black-winged stilts are found across Europe, Asia, Africa, Australia, and North, Central and South Americas. Some populations are migratory and move to the ocean coasts in winter; those in warmer regions are generally resident or short-range vagrants. Black-winged stilts breed in freshwater and brackish marshes, shallow lakes, ponds, and flooded fields. They can also be found in mountainous areas near lakes, river deltas, estuaries, coastal lagoons and marshes, salt meadows, and mudflats.


Black-winged stilts are very gregarious birds. They often gather in groups of around 20 individuals and may migrate or roost in large flocks of several thousand birds. Black-winged tilts are mainly diurnal; however, they are also adapted to nocturnal vision and may also forage even on moonless nights. Black-winged stilts feed in shallow water, wading slowly picking up their food from the water surface or sand.

Black-winged stilts are serially monogamous; they form pairs and maintain their bonds only during one breeding season. These birds may nest singly or in loose colonies and each pair defends vigorously their nest site and territory around it. The nest is a bare spot on the ground located near water. The female lays up to 4 eggs which are then incubated for about 3-4 weeks by both parents. Chicks hatch well-developed and can leave the nest within 24 hours. They fledge around 1 month after hatching and become independent 2-4 weeks later. Young Black-winged tilts become reproductively mature and start to breed when they are 1 or 2 years old.

15-6-2016 RACO DE OLLA, VALENCIA - BLACK WINGED STILT (JUVENILE) (Himantopus himantopus)


The black-winged stilt is a black and white wading bird with incredibly long legs. They live in a variety of wetlands, from marshes to coastal lagoons. They wade through the water, plucking insects from the surface.

Black-winged Stilts are carnivores. They use their sharp bills to peck and ingest only very small food such as molluscs, miniscule crustaceans, algae, flies and aquatic insects. In the wild: Both parents of young Black-winged Stilts are responsible for incubating the eggs.


The black-winged stilt is a black and white wading bird with incredibly long legs. They live in a variety of wetlands, from marshes to coastal lagoons. They wade through the water, plucking insects from the surface.

Black-winged Stilts are carnivores. They use their sharp bills to peck and ingest only very small food such as molluscs, miniscule crustaceans, algae, flies and aquatic insects. In the wild: Both parents of young Black-winged Stilts are responsible for incubating the eggs.


Behavior. With legs that are perfect for wading, the black-winged stilt rarely needs to swim in search of prey. Instead, usually forages in shallow water, even on moonless nights, when it may use a scything sweep of its feet to find its next meal.

Their name is a reference to their long, thin legs, which are ideal for wading in shallow waters while foraging for food.  They use their partially webbed toes to help them swim in deeper water to search for marine invertebrates and insects.


Black-necked stilts use a series of loud piping sounds to communicate.

In hot climates, the adults use “belly soaking” to cool themselves, the eggs or chicks, and to increase nest humidity. Stilts may make over 100 trips for water a day.

These birds distract predators using aerial maneuvers and mock injuries to protect their young. Incredibly, they are also able to swim for short periods of time using their wings. 


Black-necked Stilts are among the most stately of the shorebirds, with long rose-pink legs, a long thin black bill, and elegant black-and-white plumage that make them unmistakable at a glance. They move deliberately when foraging, walking slowly through wetlands in search of tiny aquatic prey. When disturbed, stilts are vociferous, to put it mildly, and their high, yapping calls carry for some distance. ​

Black-necked stilts sometimes participate in a "popcorn display,” which involves a group of birds gathering around a ground predator and jumping, hopping, or flapping to drive it away from their nests.

The oldest recorded Black-necked Stilt was at least 12 years, 5 months old. it was ​banded in Venezuela and refound in the Lesser Antilles.

15-6-2016 ALBUFERA, VALENCIA - SQUACCO HERON (Ardeola ralloides)


The squacco heron is a migrant, wintering in Africa. It is rare north of its breeding range. The species has been recorded in Fernando de Noronha islands, and more rarely in mainland South America, as a vagrant. This is a stocky species with a short neck, short thick bill and buff-brown back. In summer, adults have long neck feathers. Its appearance is transformed in flight, when it looks very white due to the colour of the wings.


The squacco heron's breeding habitat is marshy wetlands in warm countries. The birds nest in small colonies, often with other wading birds, usually on platforms of sticks in trees or shrubs. Three to four eggs are laid. They feed on fish, frogs and insects.

The Squacco Heron uses freshwater localities throughout Europe and the Middle East as breeding grounds to later migrate south to the Sub-Saharan African region. Non-breeding Squacco Herons share similar traits with other heron species like the Indian Pond Heron and Malagasy Pond Heron which show tawny color plumage, lighter streaking, smaller bill, and narrower wing tips.

15-6-2016 EL PALMAR, VALENCIA - PURPLE HERON (Ardea purpurea)


The purple heron (Ardea purpurea ) is a wide-ranging species of wading bird in the heron family, Ardeidae. The scientific name comes from Latin ardea "heron", and purpureus, "coloured purple". It breeds in Africa, central and southern Europe, and southern and eastern Asia. The Western Palearctic populations migrate between breeding and wintering habitats whereas the African and tropical-Asian populations are primarily sedentary, except for occasional dispersive movements.
It is similar in appearance to the more common grey heron but is slightly smaller, more slender and has darker plumage. It is also a more evasive bird, favouring densely vegetated habitats near water, particularly reed beds. It hunts for a range of prey including fish, rodents, frogs and insects, either stalking them or standing waiting in ambush.


Purple herons are colonial breeders and build a bulky nest out of dead reeds or sticks close to the water' edge among reeds or in dense vegetation. About five bluish-green eggs are laid and are incubated by both birds. The young hatch about four weeks later and fledge six weeks after that. The International Union for Conservation of Nature notes that the global population trend is downwards, largely because of the drainage of wetlands, but assesses the purple heron's conservation status as being of "least concern".


The purple heron is a large bird, 78–97 cm (31–38 in) in length with a standing height from 70 to 94 cm (28 to 37 in) and a 120–152 cm (47–60 in) wingspan. However, it is slender for its size, weighing only 0.5 to 1.35 kg (1.1 to 3.0 lb). It is somewhat smaller than the grey heron, from which it can be distinguished by its darker reddish-brown plumage, and, in adults, its darker grey back. Adults have the forehead and the crown of the head black, with a dark stripe down the back of the neck that terminates in a slender, dangling crest. This is shorter than the crest of the grey heron and does not exceed 140 mm (5.5 in). The sides of the head and the neck are buffish chestnut, with dark streaks and lines down either side of the whole the neck. The mantle is oily brown and the upper scapular feathers are elongated but not the lower ones. The rest of the upper parts and the tail are brownish grey. The front of the neck is paler than the sides and there are some elongated feathers at the base of the neck which are streaked with white, chestnut and black. The breast is chestnut brown, with some blackening at the side, and the belly and under-tail coverts are black. The brownish-yellow beak is long, straight and powerful, and is brighter in colour in breeding adults. The iris is yellow and the legs are brown at the front and yellowish behind.


The call is a harsh "frarnk", but is quieter and more high-pitched than that of the grey heron. It is generally a less noisy bird, though similar guttural sounds are heard emanating from the heronry. It is also less robust, and appears somewhat hollow-chested. Its head and neck are more slender and snake-like than the grey heron and its toes much longer. Unlike that bird, it often adopts a posture with its neck extending obliquely, and even nestlings tend to use this stance.

The purple heron has a mostly palaearctic distribution and breeds in Europe, Asia and Africa. The range of the western race extends from Portugal eastwards across much of central and southern Europe and parts of North Africa as far as Lake Balkhash in Kazakhstan. In Africa, the bird breeds in Senegal, down the east coast of Africa and in Madagascar. The eastern race extends from the Indian Subcontinent, eastwards to eastern China and the Philippines, and northwards to the basins of the Amur River and the Ussuri River at about 49°N. The southern race is restricted to Madagascar, and a small population of purple herons on the Cape Verde Islands is regarded as a separate race by some authorities.

Between August and October, birds of the western population migrate southwards to tropical Africa, returning northwards in March. Purple herons often overshoot their normal range on their return, and are vagrants to northern Europe including Britain. The eastern population is largely resident, though some birds from the northern part of the range fly southwards to Korea, Thailand and Malaysia. The African birds are resident.

The purple heron inhabits marshes, lagoons and lakes surrounded by dense vegetation. It may frequent mangrove swamps on the coast but it usually chooses freshwater habitats, particularly locations with reed beds (Phragmites ). It also visits mudflats, river banks, ditches and canals. In the Cape Verde Islands, it is more likely to be seen in the open, on arid slopes. 

15-6-2016 RACO DE OLLA, VALENCIA - LITTLE EGRET (Egretta garzetta)


Most heronries are in trees, with the majority of nests at least 25m above the ground. However, reed-bed heronries are not unusual, and they will also nest on cliffs, bushes, sometimes even on buildings of bridges.

Heronries can reach a prodigious size: one at Great Snowden's Wood, near Brede in Sussex, contained around 400 nests in 1866.

The biggest heronry in Britain is currently at Northward Hill in Kent, an RSPB reserve. Numbers here have peaked at over 200 nests, but the current total is around 150.

It's not unusual for a single tree to hold as many as 10 nests.

It's quite normal for herons, disturbed at their nest, to regurgitate their last half-digested meal, an unpleasant experience for anyone unfortunate enough to be underneath the nest.

An increasing number of British heronries now also have little egrets nesting alongside the herons.

Herons are among the earliest nesters. It's not unusual for some birds to lay their first eggs in early February, though the normal start is early March, peaking at the end of the month.

The number of herons breeding in Britain and on the Continent has been growing steadily for many years.

They suffer badly in cold winters when ponds and streams are frozen for prolonged periods. The recent run of mild weathers has helped boost the population.

15-6-2016 RACO DE OLLA, VALENCIA - PIED AVOCET (Recurvirostra avosetta)


Pied Avocet, scientifically known as Recurvirostra avosetta, is a unique bird species belonging to the Recurvirostridae family including avocets and stilts, some of the most fascinating waders for birding enthusiasts. These distinctive birds can be found across the Old World in a variety of climates and environments, including coastal areas, wetlands, and salt pans. An ideal spot to observe these birds would be in shallow water, where they often forage for food. The easiest way to identify Pied Avocets in the field is by their remarkable and unique upturned bills.

Pied Avocets are one of several species that appear on the emblem of the Royal Society for the Protection of Birds (RSPB) in the United Kingdom, where they symbolize nature conservation. Like all living things, they play a crucial role in the natural ecosystem. As wading birds, they help control insect populations and contribute to the overall health of wetland habitats. Like many other bird species, their presence can serve as an indicator of the quality of the environment.


Pied Avocets are medium-sized birds with an average length of 40-45 cm / 16-18 inches and a wingspan of 77-80 cm / 30-31 inches. They typically weigh around 240-315 g / 8.5-11 oz. These birds boast a distinct appearance that sets them apart from other waders.

As mentioned before, it is easiest to identify Pied Avocet by their long, thin, and upturned bills, which they use for sweeping through the water to catch small aquatic prey. Their black-and-white plumage provides a stark contrast, while the long, blue-grey legs further enhance their unique appearance. During the breeding season, these birds showcase an even more vibrant look making them particularly attractive to potential mates.

There are subtle differences between male and female Pied Avocets. Males tend to have slightly longer bills and legs, while females have more curved bills. However, these differences can be challenging to notice in the field, as both sexes share the same striking plumage.

15-6-2016 RACO DE OLLA, VALENCIA - GREATER FLAMINGO (Phoenicopterus roseus)


The Greater flamingo (Phoenicopterus roseus) is the most widespread and largest species of the flamingo family. It was described by Peter Simon Pallas in 1811. The Greater flamingo was previously thought to be the same species as the American flamingo, but because of coloring differences of its head, neck, body, and bill, the two flamingos are now most commonly considered separate species.

Greater flamingos have an attractive coloration and appearance. Their feathers are pinkish/white, the wing coverts are red and the primary and secondary flight feathers are black. They have long pink bills with a black tip, yellow eyes and long pink legs. The male is bigger than the female, and juveniles have a gray-brown coloration, with some pink on their underparts, tail and wings, with the legs and beak being mainly brown.

The Greater flamingo inhabits Africa, the Middle East, southern Europe, and the Indian subcontinent. They occur in relatively shallow water bodies, such as saline lagoons, salt pans, large alkaline or saline lakes, and estuaries. Breeding takes place on sandbanks, mudflats, sandy or rocky islands, or open beaches.

Tuesday 14 June 2016

12-6-2016 POTRIES, VALENCIA - RED EARED SLIDER TERRAPIN (Trachemys scripta ssp. elegans)


The red-eared slider or red-eared terrapin (Trachemys scripta elegans) is a subspecies of the pond slider (Trachemys scripta), a semiaquatic turtle belonging to the family Emydidae. It is the most popular pet turtle in the United States, is also popular as a pet across the rest of the world, and is the most invasive turtle. It is the most commonly traded turtle in the world.

The red-eared slider is native from the Midwestern United States to northern Mexico, but has become established in other places because of pet releases, and has become invasive in many areas where it outcompetes native species. The red-eared slider is included in the list of the world's 100 most invasive species.

Red-eared sliders are popular pets around the world.
The red-eared slider gets its name from the small, red stripe around its ears, or where its ears would be, and from its ability to slide quickly off rocks and logs into the water. This species was previously known as Troost's turtle in honor of an American herpetologist Gerard Troost. Trachemys scripta troostii is now the scientific name for another subspecies, the Cumberland slider.

13-6-2016 CASA DE CULTURA, GANDIA - EURASIAN BLACKBIRD (FEMALE) (Turdus merula)


The Common blackbird (Turdus merula) is a species of true thrush. It is also called the Eurasian blackbird (especially in North America, to distinguish it from the unrelated New World blackbirds), or simply the blackbird where this does not lead to confusion with a similar-looking local species. This common and conspicuous species has given rise to a number of literary and cultural references, frequently related to its song.

The adult male has glossy black plumage, blackish-brown legs, a yellow eye ring, and an orange-yellow bill. The bill darkens somewhat in winter. The adult female is sooty-brown with a dull yellowish-brownish bill, a brownish-white throat, and some weak mottling on the breast. The juvenile is similar to the female but has pale spots on the upperparts, and the very young juvenile also has a speckled breast. Young birds vary in the shade of brown, with darker birds presumably males. The first-year male resembles the adult male but has a dark bill and weaker eye ring, and its folded wing is brown, rather than black like the body plumage.

13-6-2016 VILLALONGA RESERVOIR - WHITE WAGTAIL (Motacilla alba)


The white wagtail (Motacilla alba) is a small passerine bird in the family Motacillidae, which also includes pipits and longclaws. The species breeds in much of Europe and the Asian Palearctic and parts of North Africa. It has a toehold in Alaska as a scarce breeder. It is resident in the mildest parts of its range, but otherwise migrates to Africa. In Ireland and Great Britain, the darker subspecies, the pied wagtail or water wagtail (M. a. yarrellii) predominates; this is also called in Ireland willie wagtail, not to be confused with the Australian species Rhipidura leucophrys which bears the same common name. In total, there are between 9 and 11 subspecies of M. alba.

The white wagtail is an insectivorous bird of open country, often near habitation and water. It prefers bare areas for feeding, where it can see and pursue its prey. In urban areas it has adapted to foraging on paved areas such as car parks. It nests in crevices in stone walls and similar natural and human-made structures.

It is the national bird of Latvia and has featured on the stamps of several countries. Though it is 'of least concern', there are several threats against it, like being kept as pets and being used as food.

13-6-2016 VILLALONGA RESERVOIR - LITTLE RINGED PLOVER (Charadrius dubius)



The Little Ringed Plover is a small plover with a distinctive black and white head pattern, similar to the Ringed Plover. It has a black beak and pale (not orange) legs. Close views reveal a distinctive yellow eye-ring. In flight, it shows a plain brown wing without the white wing stripe that Ringed Plover has. It first bred in the UK in 1938 and is now a year-round resident of a large part of England and Wales – thanks to man-made habitats such as gravel pits. It's listed as a Schedule 1 species under The Wildlife and Countryside Act.


This attractive small wading bird is a relatively new addition to the British breeding avifauna, first recorded nesting here in 1938.

Little Ringed Plovers are summer visitors to Britain, sometimes arriving as early as mid-March. Originally associated with gravel workings in central England, they have now colonised seasonally wet areas across the post-industrial landscapes of the north-west. In Wales and Scotland, new colonists use river gravels for nesting.


Easily confused with its commoner coastal cousin, the Ringed Plover, this species prefers fresh water. It is a daintier bird, has more subtle colours and lacks a white wing-bar when seen in flight. A good close view reveals the diagnostic yellow eye-ring.

13-6-2016 VILLALONGA RESERVOIR - EPAULET SKIMMER DRAGONFLY (Orthetrum chrysostigma)


Both sexes are among the more easily recognised Orthetrum species, due to the single diagonal stripe on the sides of the thorax.

Fully pruinose males, however, are hard to identify and are best told by the distinctive shape of the secondary genitalia.

Most similar to the closely related Two-striped Skimmer (Orthetrum caffrum), but that species has a darker, browner thorax with two, pale diagonal stripes on the sides.

Makes use of a wide range of freshwater habitats, including Rivers, streams, lakes, pans, dams and water-holes. Favours sites that are fairly open with exposed rocks, sand or gravel. Most common along rivers in the savanna regions.

Often perches on the ground, but also on rocks and exposed stems and twigs. Hunts from a perch with a rapid, darting flight. Frequently returns to the same perch. Both sexes can be found in the same area.

Common and widespread. Listed as of Least Concern in the IUCN Red List of Threatened Species. The Epaulet Skimmer is fairly resistant towards habitat damage and is often common at man-made and degraded sites.

Very widespread and occurs virtually throughout Africa, including North Africa. It also occurs in parts of Southern Europe and the Middle East. In South Africa it occurs virtually throughout, but is scarce in the dry central regions.


Sunday 12 June 2016

8-6-2016 CULLA, VALENCIA - RUFOUS TAILED ROCK THRUSH (FEMALE)


The common rock thrush (Monticola saxatilis), also known as rufous-tailed rock thrush or simply rock thrush, is a chat belonging to the family Muscicapidae. It was formerly placed in the family Turdidae. The scientific name is from Latin. Monticola is from mons, montis "mountain", and colere, "to dwell", and saxatilis means "rock-frequenting", from saxum, "stone" .


It breeds in southern Europe across Central Asia to northern China. This species is strongly migratory, all populations wintering in Africa south of the Sahara. It is an uncommon visitor to northern Europe. Its range has contracted somewhat at the periphery in recent decades due to habitat destruction. For example, in the early 20th century it bred in the Jura Krakowsko-Częstochowska (Poland) where none occur today, but it is not considered globally endangered.


This is a medium-sized but stocky thrush 17–20 cm in length. The summer male is unmistakable, with a blue-grey head, orange underparts and outer tail feathers, dark brown wings and white back. Females and immatures are much less striking, with dark brown scaly upperparts, and paler brown scaly underparts. The outer tail feathers are reddish, like the male.

This species breeds in open dry hilly areas, usually above 1500 m. It nests in rock cavities, laying 4–5 eggs. It is omnivorous, eating a wide range of insects, berries and small reptiles. The male common rock thrush has a clear and tuneful song.


Medium to small bird (about 19 cm or 7.5 in) with a characteristic colour. Males with blue-grey plumage on head and back. Orange breast and underparts. White spot on the rump. Orange wings and axilar region with darker ending. Orange tail. More discreet females, with orange tail but brown and speckled rest of the body.*

Rupicolous species linked to mountain areas of medium and high altitude, from a thousand meters (3,280 ft), with rocks and low scrubland with interspersed grassland. It requires the absence of trees.

Summer species, present in Malaga only during the breeding season, which starts in April. The Rock-Thrush can make two annual layings of 4 to 5 eggs. Nest on the ground or among rocks. Strict insectivore, specialized in beetles, grasshoppers, butterflies and caterpillars. It complements its diet in autumn with fleshy fruits.

12-6-2016 POTTRIES, VALENCIA - BARN SWALLOW (Hirundo rustica)


The Barn swallow (Hirundo rustica) is the most widespread species of swallow in the world. In fact, it has the largest natural distribution of any of the world's passerines, ranging over 251 million square kilometers globally. In Anglophone Europe it is just called the swallow; in northern Europe, it is the only common species called a "swallow" rather than a "martin".

The Barn swallow is a distinctive songbird with blue upperparts and a long, deeply forked tail. There is a line of white spots across the outer end of the upper tail. The female is similar in appearance to the male, but the tail streamers are shorter, the blue of the upperparts and breast band is less glossy, and the underparts paler. The juvenile is browner and has a paler rufous face and whiter underparts. It also lacks the long tail streamers of the adult.


Barn swallows are found in Europe, Asia, Africa, and the Americas. These birds are long-distance migrants and their wintering grounds cover much of the Southern Hemisphere as far south as central Argentina, the Cape Province of South Africa, and northern Australia. 

The preferred habitat of Barn swallows is open country with low vegetation, such as pasture, meadows, and farmland, preferably with nearby water. These birds avoid heavily wooded or precipitous areas and densely built-up locations. On their wintering grounds, Barn swallows avoid only dense forests and deserts. They are most common in open, low vegetation habitats, such as savanna and ranch land, and in Venezuela, South Africa, and Trinidad and Tobago the birds are particularly attracted to burnt or harvested sugarcane fields and the waste from the cane.


Barn swallows are gregarious birds and in the absence of suitable roost sites, they sometimes roost on wires where they are more exposed to predators. Individual birds tend to return to the same wintering locality each year and congregate from a large area to roost in reed beds. These roosts can be extremely large and are thought to be a protection from predators. Barn swallows typically feed by day in open areas 7-8 m (23-26 ft) above shallow water or the ground often following animals, humans, or farm machinery to catch disturbed insects; they may also pick prey items from the water surface, walls, and plants. During the breeding, season Barn swallows hunt in pairs, but otherwise form often large flocks. These birds are usually fairly quiet on the wintering grounds. At other times they communicate with constant twittering and chattering. The song of the male Barn swallow is a cheerful warble, often ending with 'su-seer'. Other calls include 'witt' or 'witt-witt' and a loud 'splee-plink' when excited (or trying to chase intruders away from the nest). The alarm calls include a sharp 'siflitt' for predators like cats and a 'flitt-flitt' for birds of prey like the hobby.

9-6-2016 ALDEAROQUETA, VALENCIA - EUROPEAN GOLDFINCH (Carduelis carduelis)


European goldfinches are monogamous and form long-lasting pair bonds. Their breeding season occurs in spring and starts in March with courtship displays. The male perches close to the female and stretches his wings while swaying from side to side, showing the bright yellow patches of the wings. The nest is built entirely by the female and is generally completed within a week. The male accompanies the female but does not contribute. The nest is neat and compact and is generally located several meters above the ground, hidden by leaves in the twigs at the end of a swaying branch. It is constructed of mosses and lichens and lined with plant down such as that from thistles. It is attached to the twigs of the tree with spider silk. A deep cup prevents the loss of eggs in windy weather. Beginning within a couple of days after the completion of the nest, the female lays a clutch of 4-6 eggs, which are whitish with reddish-brown speckles. The eggs are incubated for 11-13 days by the female, who is fed by the male. The chicks are altricial; they are born blind and naked and are fed by both parents. Initially, they receive a mixture of seeds and insects, but as they grow the proportion of insect material decreases. For the first 7-9 days, the young are brooded by the female. The nestlings fledge 13-18 days after hatching but parents continue to feed them for a further 7-9 days.