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Sunday, 25 June 2023

9-6-2023 MANDAI BIRD PARADISE, SINGAPORE - RED TAILED BLACK COCKATOO (Calyptorhynchus banksii)

The red-tailed black cockatoo (Calyptorhynchus banksii) also known as Banksian- or Banks' black cockatoo, is a large black cockatoo native to Australia. Adult males have a characteristic pair of bright red panels on the tail that gives the species its name. It is more common in the drier parts of the continent. Five subspecies are recognised, differing chiefly in beak size. Although the more northerly subspecies are widespread, the two southern subspecies, the forest red-tailed black cockatoo and the south-eastern red-tailed black cockatoo are under threat.

The species is usually found in eucalyptus woodlands, or along water courses. In the more northerly parts of the country, these cockatoos are commonly seen in large flocks. They are seed eaters and cavity nesters, and as such depend on trees with fairly large diameters, generally Eucalyptus. Populations in southeastern Australia are threatened by deforestation and other habitat alterations. Of the black cockatoos, the red-tailed is the most adaptable to aviculture, although black cockatoos are much rarer and much more expensive in aviculture outside Australia. 


The red-tailed black cockatoo principally occurs across the drier parts of Australia. It is widespread and abundant in a broad band across the northern half of the country, where it has been considered an agricultural pest, with more isolated distribution in the south. It is found in a wide variety of habitats, from shrublands and grasslands through eucalypt, sheoak and Acacia woodlands, to dense tropical rainforests. The bird is dependent on large, old eucalypts for nesting hollows, although the specific gums used vary in different parts of the country. 



9-6-2023 MANDAI BIRD PARADISE, SINGAPORE - AUSTRALIAN KING PARROT (Alisterus scapularis

The Australian king parrot (Alisterus scapularis) is a species of parrot endemic to eastern Australia ranging from Cooktown in Queensland to Port Campbell in Victoria. Found in humid and heavily forested upland regions of the eastern portion of the continent, including eucalyptus wooded areas in and directly adjacent to subtropical and temperate rainforest. They feed on fruits and seeds gathered from trees or on the ground.


Australian king parrots range from north and central Queensland to southern Victoria. They are frequently seen in small groups with various species of rosella. Further from their normal eastern upland habitat, they are also found in Canberra during winter, the outer western suburbs and north shore of Sydney, and the Carnarvon Gorge in central Queensland. 

9-6-2023 MANDAI BIRD PARADISE, SINGAPORE - MAGPIE GOOSE (Anseranas semipalmata)


 The magpie goose (Anseranas semipalmata) is the sole living representative species of the family Anseranatidae. This common waterbird is found in northern Australia and southern New Guinea. As the species is prone to wandering, especially when not breeding, it is sometimes recorded outside its core range. The species was once also widespread in southern Australia but disappeared from there largely due to the drainage of the wetlands where the birds once bred. Due to their importance to Aboriginal people as a seasonal food source, as subjects of recreational hunting, and as a tourist attraction, their expansive and stable presence in northern Australia has been "ensured [by] protective management".


This species is plentiful across its range, although this is significantly reduced in comparison to the range at time of European settlement. The range once extended as far south as the Coorong and the wetlands of the southeast of South Australia and Western Victoria. For Australia as a whole, it is not threatened and has a controlled hunting season when numbers are large. However, most of the southern populations were extirpated in the mid-20th century by overhunting and habitat destruction. The species has been subject to reintroduction projects such as Bool Lagoon between Penola and Naracoorte. Populations in more northern areas have again reached a level where it can be regularly utilized by hunters, although not in the example provided. The magpie goose was listed as near threatened on the 2007 advisory list of threatened vertebrate fauna in Victoria.



9-6-2023 MANDAI BIRD PARADISE, SINGAPORE - LAUGHING KOOKABURRA (Dacelo novaeguineae)

The laughing kookaburra (Dacelo novaeguineae) is a bird in the kingfisher subfamily Halcyoninae. It is a large robust kingfisher with a whitish head and a brown eye-stripe. The upperparts are mostly dark brown but there is a mottled light-blue patch on the wing coverts. The underparts are cream-white and the tail is barred with rufous and black. The plumage of the male and female birds is similar. The territorial call is a distinctive laugh that is often delivered by several birds at the same time, and is widely used as a stock sound effect in situations that involve a jungle setting.


The laughing kookaburra is native to eastern mainland Australia, but has also been introduced to parts of New Zealand, Tasmania, and Western Australia. It occupies dry eucalypt forest, woodland, city parks and gardens. This species is sedentary and occupies the same territory throughout the year. It is monogamous, retaining the same partner for life. A breeding pair can be accompanied by up to five fully grown non-breeding offspring from previous years that help the parents defend their territory and raise their young. The laughing kookaburra generally breeds in unlined tree holes or in excavated holes in arboreal termite nests. The usual clutch is three white eggs. The parents and the helpers incubate the eggs and feed the chicks. The youngest of the three nestlings or chicks is often killed by the older siblings.


 

9-6-2023 MANDAI BIRD PARADISE, SINGAPORE - MASKED LAPWING (Vanellus miles)

The masked lapwing (Vanellus miles) is a large, common and conspicuous bird native to Australia, particularly the northern and eastern parts of the continent, New Zealand and New Guinea. It spends most of its time on the ground searching for food such as insects and worms, and has several distinctive calls. It is common in Australian fields and open land, and is known for its defensive swooping behaviour during the nesting season.

Masked lapwings are most common around the edges of wetlands and in other moist, open environments, but are adaptable and can often be found in surprisingly arid areas. They can also be found on beaches and coastlines. Vanellus miles novaehollandiae spread naturally to Southland, New Zealand in the 1930s and has now spread throughout New Zealand, where it is recognised as a self-introduced native and known as the spur-winged plover.


Masked lapwings are shy and harmless in summer and autumn but are best known for their bold nesting habits, being quite prepared to make a nest on almost any stretch of open ground, including suburban parks and gardens, school ovals, and even supermarket carparks and flat rooftops. They can be particularly dangerous at airports where their reluctance to move from their nesting area, even for large aircraft, has resulted in several bird strikes. 



25-6-2023 MONTAVERNER, VALENCIA - EUROPEAN RABBIT (Oryctolagus cuniculus)


The European rabbit (Oryctolagus cuniculus) or coney] is a species of rabbit native to the Iberian Peninsula (Spain, Portugal and Andorra), western France, and the northern Atlas Mountains in northwest Africa. It has been widely introduced elsewhere, often with devastating effects on local biodiversity. Its decline in its native range due to myxomatosis, rabbit hemorrhagic disease, overhunting and habitat loss has caused the decline of the Iberian lynx (Lynx pardinus) and Spanish imperial eagle (Aquila adalberti). It is known as an invasive species because it has been introduced to countries on all continents with the exception of Antarctica, and has caused many problems within the environment and ecosystems; in particular, European rabbits in Australia have had a devastating impact, due in part to the lack of natural predators there.

25-6-2023 MONTAVERNER, VALENCIA - WALL BROWN BUTTERFLY (Lasiommata megera)

Lasiommata megera, the wall[1] or wall brown, is a butterfly in the family Nymphalidae (subfamily Satyrinae). It is widespread in the Palearctic realm with a large variety of habitats and number of generations a year.

Habitats include forest edges and clearings, shrubby areas in ravines and river valleys and sparse woodlands. It is also found in mountain habitats up to 0–3,000 metres (0–9,843 ft) above sea level. 

2-6-2023 BALI BIRD PARK, BALI - COCONUT LORIKEET (richoglossus haematodus)


 Trichoglossus haematodus is found in eastern Indonesia, on Buru, Seram, Misool, Waigeo, Numfoor, Yapen and the Aru Islands, in Indonesia and Papua New Guinea on New Guinea, in the Bismarck Archipelago, the Solomon Islands, Vanuatu and New Caledonia.

The species occupies a wide range of lowland and wooded hill habitats, including mangroves, rainforest, nypa forest, swamps, savanna and woodland. It also occupies human-modified areas including coconut plantations, gardens, agricultural land and disturbed forest. It is found from sea level up to as high as 2,440 m (8,010 ft); this upper altitude level varies by location.

2-6-2023 BALI BIRD PARK, BALI - WANDERING WHISTLING DUCK (Dendrocygna arcuata)


The wandering whistling duck (Dendrocygna arcuata) is a species of whistling duck. They inhabit tropical and subtropical Australia, the Philippines, Borneo, Indonesia, Papua New Guinea and the Pacific Islands. Its call is a liquid two note glue-it.

The wandering whistling duck lives in deep lagoons, flooded grasslands or dams. They enjoy the water and rarely leave the shore. They can swim and dive with ease.

2-6-2023 BALI BIRD PARK, BALI - ASIAN FAIRY BLUEBIRD (Irena puella)

The Asian fairy-bluebird (Irena puella) is a medium-sized, arboreal passerine bird. This fairy-bluebird is found in forests across tropical southern Asia, Indochina and the Greater Sundas. Two or three eggs are laid in a small cup nest in a tree. It was described by British ornithologist John Latham in 1790. The only other member of the genus and family is the Philippine fairy-bluebird, I. cyanogastra, which replaces the Asian fairy-bluebird in most of the Philippines. Both species are considered as sacred to the Tagalog people as they are perceived as tigmamanukan omens.

The adult Asian fairy bluebird is about 24 to 27 centimetres (9.4 to 10.6 in). The male has glossy, iridescent blue upperparts, and black underparts and flight feathers. The female and first year male are entirely dull blue-green.

The Asian fairy bluebird eats fruits, nectar and some insects. 

2-6-2023 BALI BIRD PARK, BALI - BALI MYNA

The Bali myna (Leucopsar rothschildi), also known as Rothschild's mynah, Bali starling, or Bali mynah, locally known as jalak Bali, is a medium-sized (up to 25 cm (9.8 in) long), stocky myna, almost wholly white with a long, drooping crest, and black tips on the wings and tail. The bird has blue bare skin around the eyes, greyish legs and a yellow bill. Both sexes are similar. It is critically endangered and in 2020, fewer than 50 adults were assumed to exist in the wild.

The Bali myna is restricted to the island of Bali (and its offshore islands) in Indonesia, where it is the island's only endemic vertebrate species. In 1991, the bird was designated the faunal emblem of Bali. Featured on the Indonesian 200 rupiah coin, its local name is jalak Bali 

 In its natural habitat it is inconspicuous, using tree tops for cover and–unlike other starlings–usually coming to the ground only to drink or to find nesting materials; this would seem to be an adaptation to its noticeability to predators when out in the open. The Bali mynah often gathers in groups when it is young to better locate food and watch out for predators. The vocalizations are a variety of sharp chattering calls and an emphatic tweet.

The Bali myna's diet includes fruit, seeds, worms and insects.

2-6-2023 BALI BIRD PARK, BALI - SOOTY HEADED BULBUL (Pycnonotus aurigaster)


The sooty-headed bulbul (Pycnonotus aurigaster) is a species of songbird in the Bulbul family, Pycnonotidae. It is found in south-eastern Asia. Its natural habitat is subtropical or tropical moist lowland forests.

A medium-sized songbird measuring between 18 and 21 centimetres in length with a short crest, the sooty-headed bulbul can be distinguished from the similar red-vented bulbul by its tan front, less extensive area of black on its head and gold-colored vent in certain subspecies. Its call is a series of whistled notes similar in tone to that of the red-whiskered bulbul, but delivered in a more hurried manner.

2-6-2023 BALI BIRD PARK, BALI - PIED STILT (Himantopus leucocephalus)

The pied stilt (Himantopus leucocephalus), also known as the white-headed stilt, is a shorebird in the family Recurvirostridae. It is widely distributed with a large total population size and apparently stable population trend, occurring in Malaysia, Japan, the Philippines, Brunei, Christmas Island, Indonesia, Palau, Papua New Guinea, Australia, and New Zealand. It is listed as Least Concern on the IUCN Red List. It is sometimes considered a subspecies of the black-winged stilt (H. himantopus).

The pied stilt is resident in southern Sumatra, Java, Sulawesi and most of Australia, New Zealand and Papua New Guinea. There are non-breeding populations in Sri Lanka, the Philippines, Brunei, Palau, South Kalimantan, West Nusa Tenggara, East Nusa Tenggara, East Timor and New Guinea. This bird is a vagrant to Japan and Christmas Island.


 The pied stilt is a waterbird and feeds in shallow water, probing into the sediment with its beak. It is gregarious, and in New Zealand sometimes forms mixed flocks with the black stilt (Himantopus novaezelandiae). It feeds largely on aquatic insects and on small molluscs. It emits a repeated yelping cry as it flies, and the legs trail behind it, tending to sway from side-to-side.

2-6-2023 BALI BIRD PARK, BALI - AFRICAN OPENBILL (Anastomus lamelligerus)


The African openbill (Anastomus lamelligerus) is a species of stork from the family Ciconiidae. It is widely distributed in Sub-Saharan Africa and western regions of Madagascar. This species is considered common to locally abundant across its range, although it has a patchy distribution. Some experts consider there to be two sub-species, A. l. lamelligerus distributed on the continent and A. l. madagascariensis living on the island of Madagascar. Scientists distinguish between the two sub-species due to the more pronounced longitudinal ridges on the bills of adult A. l. madagascariensis. The Asian openbill (Anastomus oscitans) found in Asia is the African openbill’s closest relative. The two species share the same notably large bill of a peculiar shape that gives them their name. 

2-6-2023 BALI BIRD PARK, BALI - ORIENTAL DARTER (Anhinga melanogaster)

The Oriental darter (Anhinga melanogaster) is a water bird of tropical South Asia and Southeast Asia. It has a long and slender neck with a straight, pointed bill and, like the cormorant, it hunts for fish while its body is submerged in water. It spears a fish underwater, bringing it above the surface, tossing and juggling it before swallowing the fish head first. The body remains submerged as it swims, and the slender neck alone is visible above the water, which accounts for the colloquial name of snakebird. Like the cormorants, it has wettable feathers and it is often found perched on a rock or branch with its wings held open to dry.

The Oriental darter is like all other anhingas, a cormorant-like species that has a very long neck. The structure of the neck is as in other species of darter with strongly developed muscles about a kink in the neck at the 8th and 9th vertebrae that allows it to be flexed and darted forward with rapid force to stab fish underwater. The edges of the commissures of the mandible tips have minute inward pointing serrations that hold impaled fish.

Saturday, 24 June 2023

5-6-2023 UBUD, BALI - BARRED BUTTON QUAIL (Turnix suscitator)


The barred buttonquail or common bustard-quail (Turnix suscitator) is a buttonquail, one of a small family of birds which resemble, but are closely related to, the true quails. This species is resident from India across tropical Asia to south China, Indonesia and the Philippines.

2-6-2023 BALI BIRD PARK, BALI - GREY CROWNED CRANE (Balearica regulorum)


The grey crowned crane (Balearica regulorum), also known as the African crowned crane, golden crested crane, golden crowned crane, East African crane, East African crowned crane, African crane, Eastern crowned crane, Kavirondo crane, South African crane and crested crane, is a bird in the crane family, Gruidae. It is found in eastern and southern Africa, and is the national bird of Uganda.

2-6-2023 BALI BIRD PARK, BALI - AUSTRALIAN KING PARROT (Alisterus scapularis)


The Australian king parrot (Alisterus scapularis) is a species of parrot endemic to eastern Australia ranging from Cooktown in Queensland to Port Campbell in Victoria. Found in humid and heavily forested upland regions of the eastern portion of the continent, including eucalyptus wooded areas in and directly adjacent to subtropical and temperate rainforest. They feed on fruits and seeds gathered from trees or on the ground.

24-5-2023 SUKAU RIVER LODGE, BORNEO - DIARD'S TROGON (Harpactes diardii)


Diard's trogon (Harpactes diardii) is a species of bird in the family Trogonidae. It is found in Brunei, Indonesia, Malaysia, Singapore, and Thailand. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.

Apalodermatinae is the African subfamily consisting of one genus, Apaloderma. The Asian subfamily is Harpactinae and contains two genera, Harpactes and Apalharpactes.

Males are black headed and breasted with a pink breast line. Females are brown headed and breasted with pink under parts. Diard's trogon eats caterpillars, beetles, stick-insects, locustids and other Orthoptera, and fruits.

The breeding times of Diard's trogon range from February to August: February to mid-May in Malaysia, Mid-May to August in Borneo.
 

2-6-2023 BALI BIRD PARK, BALI - GOLDEN PHEASANT (FEMALE) (Chrysolophus pictus)


The female (hen) is much less showy, with a duller mottled brown plumage similar to that of the female common pheasant. She is darker and more slender than the hen of that species, with a proportionately shorter tail (half her 60–80 cm (24–31 in) length). The female's breast and sides are barred buff and blackish brown, and the abdomen is plain buff. She has a buff face and throat. Some abnormal females may later in their lifetime get some male plumage. Lower legs and feet are a dull yellow.

Both males and females have yellow legs and yellow bills.

2-6-2023 BALI BIRD PARK, BALI - RED AND GREEN MACAW (Ara chloropterus)

The red-and-green macaw (Ara chloropterus), also known as the green-winged macaw, is a large, mostly-red macaw of the genus Ara.

This is the largest of the genus Ara, widespread in the forests and woodlands of northern and central South America. However, in common with other macaws, in recent years there has been a marked decline in its numbers due to habitat loss and illegal capture for the parrot trade.

 

2-6-2023 BALI BIRD PARK, BALI - PESQUET'S PARROT (Psittrichas fulgidus)

A large, primitive parrot of lower-montane, foothill and nearby lowland primary forest. Unparrotlike, long, pointy head. Black colour with pale brown edges to the chest feathers. Bright red belly, rump and wing feathers, showing as broad red bars across the wing in flight. Appears nomadic according to fruiting of fig trees and flies in pairs or small groups with a distinctive flight. Palm Cockatoo is a similar size, but lacks the Pesquet’s red in the wing. A raucous and rasping call.

Pesquet's parrot (Psittrichas fulgidus), also known as the Dracula parrot or as the vulturine parrot (leading to easy confusion with Pyrilia vulturina from Brazil), is the only member of its genus. It is endemic to hill and montane rainforest in New Guinea.

Its feathers are highly prized. This, combined with high prices in aviculture, has resulted in overhunting. Habitat loss also presents an ongoing problem.

 

2-6-2023 BALI BIRD PARK, BALI - RADJAH SHELDUCK (Tadorna radjah)


The radjah shelduck inhabits the mangrove forests and coastline of New Guinea (West Papua and Papua New Guinea) and Australia, and some of the Moluccas in eastern Indonesia. In Australia, its primary range is coastal, tropical northern Australia, extending as far south as central Queensland, west through the upper regions of the Northern Territory (including Kakadu National Park) to the Kimberley in Western Australia. The radjah shelduck is listed as a protected bird in all the states of Australia, and penalties are enforced for harming or disturbing them.

The species prefers the salty waters of mangrove flats and paperbark tree swamps, but will visit all manner of brackish and freshwater swamps, lagoons, lakes, estuaries, river deltas, and billabongs further inland during the wet season.

2-6-2023 BALI BIRD PARK, BALI - LITTLE BLACK CORMORANT (Phalacrocorax sulcirostris)

The little black cormorant (Phalacrocorax sulcirostris) is a member of the cormorant family of seabirds. It is common in smaller rivers and lakes throughout most areas of Australia and northern New Zealand, where it is known as the little black shag. It is around sixty centimetres long, and is all black with blue-green eyes.

The little black cormorant ranges from the Malay Peninsula through Indonesia (but excluding Sumatra) and New Guinea (including the D'Entrecasteaux Islands) and throughout Australia. It is found in New Zealand's North Island. It is a predominantly freshwater species, found in bodies of water inland and occasionally sheltered coastal areas. It is almost always encountered in or near water.


More gregarious than other cormorants, the little black cormorant can be found in large flocks. Groups sometimes fly in V formations.

The little black cormorant feeds mainly on fish, and eats a higher proportion of fish than the frequently co-occurring little pied cormorant, which eats more decapods. A field study at two storage lakes, Lake Cargelligo and Lake Brewster, in south-western New South Wales found that the introduced common carp made up over half of its food intake. 



2-6-2023 BALI BIRD PARK, BALI - MAGPIE GOOSE (Anseranas semipalmata)

The magpie goose (Anseranas semipalmata) is the sole living representative species of the family Anseranatidae. This common waterbird is found in northern Australia and southern New Guinea. As the species is prone to wandering, especially when not breeding, it is sometimes recorded outside its core range. The species was once also widespread in southern Australia but disappeared from there largely due to the drainage of the wetlands where the birds once bred. Due to their importance to Aboriginal people as a seasonal food source, as subjects of recreational hunting, and as a tourist attraction, their expansive and stable presence in northern Australia has been "ensured [by] protective management".


The magpie goose is found in a variety of open wetland areas such as floodplains and swamps, where they wade and swim. They eat mostly vegetation such as dry grass blades, grass seeds, spike rush bulbs and wild rice.

2-6-2023 BALI BIRD PARK, BALI - KOMODO DRAGON (Varanus komodoensis)

The Komodo dragon (Varanus komodoensis), also known as the Komodo monitor, is a member of the monitor lizard family Varanidae that is endemic to the Indonesian islands of Komodo, Rinca, Flores, and Gili Motang. It is the largest extant species of lizard, growing to a maximum length of 3 m (9.8 ft), and weighing up to 70 kg (150 lb).

As a result of their size, Komodo dragons are apex predators, and dominate the ecosystems in which they live. Komodo dragons hunt and ambush prey including invertebrates, birds, and mammals. Komodo dragons' group behavior in hunting is exceptional in the reptile world. The diet of Komodo dragons mainly consists of Javan rusa (Rusa timorensis), though they also eat considerable amounts of carrion. Komodo dragons also occasionally attack humans.

Mating begins between May and August, and the eggs are laid in September; as many as 20 eggs are deposited at a time in an abandoned megapode nest or in a self-dug nesting hole. The eggs are incubated for seven to eight months, hatching in April, when insects are most plentiful. Young Komodo dragons are vulnerable and dwell in trees to avoid predators, such as cannibalistic adults. They take 8 to 9 years to mature and are estimated to live up to 30 years.

Komodo dragons were first recorded by Western scientists in 1910. Their large size and fearsome reputation make them popular zoo exhibits. In the wild, their range has contracted due to human activities, and is likely to contract further from the effects of climate change; due to this, they are listed as Endangered by the IUCN Red List. They are protected under Indonesian law, and Komodo National Park was founded in 1980 to aid protection efforts.

Even seemingly docile dragons may become unpredictably aggressive, especially when the animal's territory is invaded by someone unfamiliar. In June 2001, a Komodo dragon seriously injured Phil Bronstein, the then-husband of actress Sharon Stone, when he entered its enclosure at the Los Angeles Zoo after being invited in by its keeper. Bronstein was bitten on his bare foot, as the keeper had told him to take off his white shoes and socks, which the keeper stated could potentially excite the Komodo dragon as they were the same colour as the white rats the zoo fed the dragon. Although he survived, Bronstein needed to have several tendons in his foot reattached surgically.


 

2-6-2023 BALI BIRD PARK, BALI - LITTLE PIED CORMORANT (Microcarbo melanoleucos)


The little pied cormorant, little shag or kawaupaka (Microcarbo melanoleucos) is a common Australasian waterbird, found around the coasts, islands, estuaries, and inland waters of Australia, New Guinea, New Zealand, Timor-Leste, and Indonesia, and around the islands of the south-western Pacific and the subantarctic. It is a small short-billed cormorant usually black above and white below with a yellow bill and small crest, although a mostly black white-throated form predominates in New Zealand. Three subspecies are recognised. Until recently most authorities referred to this species as Phalacrocorax melanoleucos.


The species ranges across New Zealand, from Stewart Island to Northland, and across mainland Australia (although not in the arid interior of the west of the country) and Tasmania. It is also present in Papua New Guinea, Palau, Timor-Leste, the Solomon Islands, New Caledonia, and Vanuatu. In eastern Indonesia, the little pied cormorant's range includes Sulawesi, the Lesser Sunda Islands, Maluku Islands, and Western New Guinea, with non-breeding birds recorded in Java, Bali, and once off the coast of East Kalimantan. Widespread and common, it lives near bodies of water such as swamps, lakes, lagoons, estuaries and the coastline.


The little pied cormorant is a benthic feeder, i.e. it finds its prey on the sea floor. It is a solitary feeder, normally diving in relatively shallow water, often near the shore. Dive times are short, around 15 to 20 seconds, with recovery times on the surface of 5 to 10 seconds unless prey are being swallowed. It takes a variety of fish prey but an unusually high proportion (nearly 30% by weight on average, and up to 80% in some individuals) of crustaceans. In New Zealand waters it is most often seen preying on the local flounder and other small flatfish. Eels and insect larvae are also consumed. These are brought to the surface to be swallowed: the bird will sometimes put a fish down on the surface of the water in order to re-orient it and swallow it head first. Because of this habit, they suffer some kleptoparasitism from red-billed gulls.