This Blog contains Wildlife, Plants and Bird Photos from Walks, Safaris, Birding Trips and Vacations. Most of the pictures have been taken with my Nikon P900 and P950X cameras. Just click on any image for a larger picture. On the right column under the Blog Archive are the entries by date. Below that under Animal categories all the diffent species of Animals, Birds, Insects and Plants contained in the website are listed. Clicking on any entry will show all the entries for that species.
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Thursday, 16 July 2020
15-7-2020 ULLAL DE BALDOVI, ALBUFERA - NOMAD DRAGONFLY (FEMALE) (Sympetrum fonscolombii)
15-7-2020 RACO DE OLLA, ALBUFERA - COMMON TERN (Sterna hirundo)
To identify the Common Tern, look for its pale grey upper wings, which develop a dark feather shaft as the season progresses, creating a grey wedge. The rump and tail are white, and the tail extends no further than the folded wingtips when the bird is standing. The bill is mostly red with a black tip or entirely black, depending on the subspecies. In non-breeding adults, the forehead and underparts become white, and the bill turns black.
This species has a wide breeding range, encompassing Europe, North Africa, Asia, and North America. It migrates to winter along the coasts of Central and South America, Africa, and southern Asia, with some populations remaining partially migratory in the Caribbean.
Common Terns are agile flyers, capable of rapid turns, hovering, and vertical take-off. They are known for their powerful, direct flight and can fly at speeds averaging 30 km/h, increasing during migration. They breed in colonies, often alongside other seabird species, and exhibit strong territorial behavior.
The Common Tern has a distinctive alarm call, a KEE-yah, and a repertoire of other vocalizations used for communication within the colony and with their chicks. Parents and chicks recognize each other's calls, aiding in maintaining family bonds.
Breeding involves aerial courtship displays and ground rituals. Nests are shallow scrapes, sometimes lined with debris. Clutch size is typically three eggs, camouflaged with blotchy patterns. Both sexes incubate, and chicks fledge in 22–28 days. Adults are defensive of their nest and young, often harassing intruders.
The Common Tern can be confused with the Arctic Tern, Roseate Tern, and Forster's Tern, but differences in plumage details, leg and bill color, and vocalizations aid in distinguishing them.
The diet consists mainly of fish, which they catch by plunge-diving, but may also include molluscs, crustaceans, and large insects. They forage up to 15 km from the breeding colony and may follow schools of fish or predatory fish to locate prey.
The Common Tern is classified as Least Concern, with a large population and extensive breeding range. However, threats such as habitat loss, pollution, and disturbance have led to declines in some areas, particularly in North America. Conservation efforts include habitat management and protection from human disturbance.
15-7-2020 CREU DE LONGA, ALBUFERA - GREY HERON (Ardea cinerea)
In flight their large size, impressive wingspan, long legs, and folded neck give them an unmistakable silhouette. Largely silent away from colonies, flight is sometimes accompanied by a harsh 'kraank' call.
Grey Herons gather to nest in treetop sites called heronries, some of which have been occupied for many decades. These have been monitored in the UK since 1928 through the Heronries Census. Overall the UK's breeding population has increased, with numbers peaking in the early 2000, but with some more recent declines.
Hunting and Feeding Behaviour
Wait-and-Strike: They are primarily ambush predators, standing motionless—often on one leg—to wait for prey, or stalking slowly through water, this is from Animal Diversity Web.
Diet: While they eat fish, frogs, small mammals, insects, and eels, they are opportunistic and will visit garden ponds for easy prey.
Handling Prey: Larger prey is stabbed or shaken to death. They often manipulate prey to swallow it head-first, this is from the BDI.
Active Hunting Times: Main hunting occurs at dawn and dusk, though they can be active throughout the day.
15-7-2020 CREU DE LONGA, ALBUFERA - GREAT EGRET (Ardea alba)
Great Egrets usually stay in habitats that have areas of either saltwater or freshwater nearby. They are seen near marshes, ditches, canals, ponds, tidal flats, rivers, streams, swamps, lakes, estuaries (or water passages where the ocean tide meets a river current), and flooded farm fields. Great Egrets are usually solitary birds when not nesting. But they also can gather together from surrounding areas to form a place where a large group can rest or sleep, called a communal roost. Frequently, several pairs build nests in the same tree and form a colony; but occasionally a pair may nest alone. Great Egrets often share colonial nesting sites, or rookeries, with other egret species, herons, and other wading birds as well.
They build their nests in trees, thickets, or shrubs 10-90 feet above water or ground. Nesting colonies are usually located in extremely tall trees. Great Egrets build large platform-style nests using sticks and line the nests with plant material. Both parents help to build the nest, incubate (to sit on and keep the eggs warm) the eggs, and feed their young. The young will be able to fly in 6-7 weeks after hatching.
15-7-2020 CREU DE LONGA, ALBUFERA - COLLARED PRATINCOLE (Glareola pratincola)
15-7-2020 CREU DE LONGA, ALBUFERA - BLACK WINGED STILT (Himantopus himantopus)
The nest site is a bare spot on the ground near water. These birds often nest in small groups, sometimes with avocets.
These birds are communal nesters and may breed in loose colonies. They have been known to breed as far north as Britain, with recent successful breeding events recorded in Southern and Northern England.
Their diet consists mainly of insects and crustaceans, which they deftly pick from the water's surface or from wet sand.
Wednesday, 15 July 2020
15-7-2020 CREU DE LONGA, ALBUFERA - SQUACCO HERON (Ardeola ralloides)
The Squacco Heron favors marshy wetlands in temperate regions for its habitat, where the water is warm and inviting.
Originating from the Old World, the Squacco Heron breeds in the southern reaches of Europe and extends into the Greater Middle East. When not breeding, it migrates to winter in the African continent.
This species is migratory by nature, seeking the warmer climates of Africa to spend the winter. It is seldom seen north of its breeding grounds. The Squacco Heron has been observed as a vagrant in the Fernando de Noronha islands and, on rarer occasions, in mainland South America. It nests in modest colonies, often in the company of other wading birds, and constructs its nests from sticks on platforms in trees or shrubs.
The Squacco Heron selects freshwater locales across Europe and the Middle East to breed, later migrating southward to the Sub-Saharan African region. During the breeding season, they lay a clutch of three to four eggs.
Adept at foraging, the Squacco Heron feeds on a diet consisting of fish, frogs, and insects, making the most of its wetland environment.
15-7-2020 ULLAL DE BALDOVI, ALBUFERA - EURASIAN HUMMINGBIRD HAWKMOTH (Macroglossum stellatarum)
15-7-2020 ULLAL DE BALDOVI, ALBUFERA - OLD WORLD SWALLOWTAIL BUTTERFLY (Papilio machaon)
15-7-2020 ULLAL DE BALDOVI, ALBUFERA - LITTLE GREBE (Tachybaptus ruficollis)
The Little Grebe, or Tachybaptus ruficollis, known colloquially as the dabchick, is the smallest European member of the grebe family. This diminutive water bird measures a mere 23 to 29 centimeters in length and is a common sight in open bodies of water across its range.
15-7-2020 ULLAL DE BALDOVI, ALBUFERA - CLOUDED YELLOW BUTTERFLY (Colias croceus)
Colias croceus is one of the most widespread species in Europe. The common clouded yellow's breeding range is North Africa and southern Europe and eastwards through Turkey into the Middle East, but it occurs throughout much of Europe as a summer migrant, in good years individuals reaching Scandinavia. In Asia, its range extends into central Siberia in the north and barely into India in the south; it is not found in Central Asia.
A truly migratory European butterfly, this species is famous for occasional mass migrations and subsequent breeding, which are often referred to in the United Kingdom as "clouded yellow years". Notable clouded yellow years include 1877, 1947, 1983, 1992, 1994, 1996 and 2000.
These butterflies may live in any open area in the countryside, including downland, coastal cliffs and fields containing the caterpillar's host plants, at an elevation up to 1,600 metres (5,200 ft) above sea level.
15-7-2020 SUECA, ALBUFERA - LITTLE BITTERN (Ixobrychus minutus)
15-7-2020 SUECA, ALBUFERA - ZITTING CISTICOLA (Cisticola juncidis)
To identify the Zitting Cisticola, look for its rufous rump and the absence of gold on the collar. The tail, brownish with white tips, is another distinguishing characteristic. Males, during the breeding season, exhibit less crown streaking and more pronounced back markings than females, though differences between sexes are generally subtle.
The Zitting Cisticola favors grasslands as its primary habitat, often found in proximity to bodies of water.
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