Pied heron

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Pied heron
Pied Heron - Fogg Dam.jpg
At Fogg Dam Conservation Reserve
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Pelecaniformes
Family: Ardeidae
Genus: Egretta
Species:
E. picata
Binomial name
Egretta picata
(Gould, 1845) [2]
Egretta picata map.svg
Distribution. Green: year-round breeding, blue: nonbreeding.
Synonyms
  • Notophoyx aruensis
  • Ardea picata [3]

The pied heron (Egretta picata), also known as the pied egret [4] is a bird found in coastal and subcoastal areas of monsoonal northern Australia as well as some parts of Wallacea and New Guinea.

Contents

Taxonomy

Pied heron (juvenile) - Fogg Dam - Middle Point - Northern Territory - Australia Pied Heron (Juvenile) - Fogg Dam - Middle Point - Northern Territory - Australia.jpg
Pied heron (juvenile) - Fogg Dam - Middle Point - Northern Territory - Australia

The species was originally described by ornithologist John Gould in 1845. Recent taxonomists put this species in the genus Egretta . There are no recognised subspecies. [5]

Pied heron feeding - Fogg Dam - Middle Point - Northern Territory - Australia Pied Heron feeding - Fogg Dam - Middle Point - Northern Territory - Australia.jpg
Pied heron feeding - Fogg Dam - Middle Point - Northern Territory - Australia
Pied heron in breeding plumage - Fogg Dam - Middle Point - Northern Territory - Australia Pied Heron in breeding plumage - Fogg Dam - Middle Point - Northern Territory - Australia.jpg
Pied heron in breeding plumage - Fogg Dam - Middle Point - Northern Territory - Australia

Description

It is a small heron, 43–55 cm long, with dark slaty wings, body, and crested head, with a white throat and neck. The appearance is similar to the white-necked heron. [4] Males (247–280 g) are heavier than females (225–242 g), but the two are similar in appearance. [6]

Immature birds lack the crest as well as the dark colouring on the head and may look like small versions of the white-necked heron. The juveniles were once classified as a separate species. [6]

Distribution and habitat

Its habitat mainly comprises a range of wetlands and wet grasslands.

Behaviour

Call

The call of the pied heron is a loud 'awk' or 'ohrk' in flight. [4] Soft cooing is given around the nest. [6] Little else is known about vocalisations. [6]

Breeding

Breeding takes place from February to May. [4] It nests in trees above the water, including mangroves, often colonially with other species of heron. 1–2 blue-green eggs are laid in a shallow platform of sticks. [4]

Feeding

It feeds on insects, frogs, crabs, fish and other small aquatic animals. Insects are the most important source of food. [6] It may feed alone or in groups of up to a thousand individuals. [6]

Related Research Articles

<span class="mw-page-title-main">Great blue heron</span> Species of bird

The great blue heron is a large wading bird in the heron family Ardeidae, common near the shores of open water and in wetlands over most of North and Central America, as well as far northwestern South America, the Caribbean and the Galápagos Islands. It is occasionally found in the Azores and is a rare vagrant to Europe. An all-white population found in south Florida and the Florida Keys is known as the great white heron. Debate exists about whether this represents a white color morph of the great blue heron, a subspecies of it, or an entirely separate species.

<span class="mw-page-title-main">Heron</span> Family of birds

Herons are long-legged, long-necked, freshwater and coastal birds in the family Ardeidae, with 72 recognised species, some of which are referred to as egrets or bitterns rather than herons. Members of the genera Botaurus and Ixobrychus are referred to as bitterns, and, together with the zigzag heron, or zigzag bittern, in the monotypic genus Zebrilus, form a monophyletic group within the Ardeidae. Egrets do not form a biologically distinct group from herons, and tend to be named differently because they are mainly white or have decorative plumes in breeding plumage. Herons, by evolutionary adaptation, have long beaks.

<span class="mw-page-title-main">Grey heron</span> Long-legged predatory wading bird

The grey heron is a long-legged wading bird of the heron family, Ardeidae, native throughout temperate Europe and Asia, and also parts of Africa. It is resident in much of its range, but some populations from the more northern parts migrate southwards in autumn. A bird of wetland areas, it can be seen around lakes, rivers, ponds, marshes and on the sea coast. It feeds mostly on aquatic creatures which it catches after standing stationary beside or in the water, or stalking its prey through the shallows.

<span class="mw-page-title-main">Purple heron</span> Species of bird

The purple heron is a wide-ranging heron species. It breeds in Africa, central and southern Europe, and southern and eastern Palearctic. 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.

<span class="mw-page-title-main">Great egret</span> Species of bird

The great egret (Ardea alba), also known as the common egret, large egret, or great white egret or great white heron is a large, widely distributed egret. The four subspecies are found in Asia, Africa, the Americas, and southern Europe. Recently it is also spreading to more northern areas of Europe. Distributed across most of the tropical and warmer temperate regions of the world, it builds tree nests in colonies close to water.

<span class="mw-page-title-main">Little egret</span> Species of water bird

The little egret is a species of small heron in the family Ardeidae. It is a white bird with a slender black beak, long black legs and, in the western race, yellow feet. As an aquatic bird, it feeds in shallow water and on land, consuming a variety of small creatures. It breeds colonially, often with other species of water birds, making a platform nest of sticks in a tree, bush or reed bed. A clutch of three to five bluish-green eggs is laid and incubated by both parents for about three weeks. The young fledge at about six weeks of age.

<span class="mw-page-title-main">Squacco heron</span> Species of bird

The squacco heron is a small heron, 44–47 cm long, of which the body is 20–23 cm (8–9 in), with 80–92 cm wingspan. It is of Old World origins, breeding in southern Europe and the Greater Middle East.

<span class="mw-page-title-main">Western reef heron</span> Species of bird

The western reef heron, also called the western reef egret, is a medium-sized heron found in southern Europe, Africa and parts of Asia. It has a mainly coastal distribution and occurs in several plumage forms: a slaty-grey plumage in which it can only be confused with the rather uncommon dark morph of the Little egret ; a white form which can look very similar to the little egret although the bill tends to be paler and larger and the black form with white throat E. g. gularis of West Africa. There are also differences in size, structure and foraging behaviour. There have been suggestions that the species hybridizes with the Little Egret, and based on this, some authors treat schistacea and gularis as subspecies of Egretta garzetta. Works that consider the Western Reef Heron as a valid species include the nominate gularis and schistacea as subspecies.

<span class="mw-page-title-main">Black-headed heron</span> Species of bird

The black-headed heron is a wading bird of the heron family Ardeidae, common throughout much of sub-Saharan Africa and Madagascar. It is mainly resident, but some west African birds move further north in the rainy season.

<span class="mw-page-title-main">White-faced heron</span> Species of bird

The white-faced heron also known as the white-fronted heron, and incorrectly as the grey heron, or blue crane, is a common bird throughout most of Australasia, including New Guinea, the islands of Torres Strait, Indonesia, New Zealand, and all but the driest areas of Australia.

<span class="mw-page-title-main">Reddish egret</span> Species of bird

The reddish egret is a medium-sized heron that is a resident breeder in Central America, the Bahamas, the Caribbean, the Gulf Coast of the United States, and Mexico. The egret is known for its unusual foraging behavior compared to other herons as well as its association with mud flats, its habitat of choice.

<span class="mw-page-title-main">Tricolored heron</span> Species of bird

The tricolored heron, formerly known as the Louisiana heron, is a small species of heron native to coastal parts of the Americas. The species is more solitary than other species of heron in the Americas and eats a diet consisting mostly of small fish.

<span class="mw-page-title-main">Intermediate egret</span> Species of bird

The intermediate egret, median egret, smaller egret or medium egret is a medium-sized heron. Some taxonomists put the species in the genus Egretta or Mesophoyx. It is a resident breeder in southern and eastern Asia.

<span class="mw-page-title-main">Pacific reef heron</span> Species of bird

The Pacific reef heron, also known as the eastern reef heron or eastern reef egret, is a species of heron found throughout southern Asia and Oceania. It occurs in two colour morphs with either slaty grey or pure white plumage. The sexes are similar in appearance.

<span class="mw-page-title-main">Black heron</span> Species of bird

The black heron, also known as the black egret, is an African heron. It is well known for its habit of using its wings to form a canopy when fishing.

<span class="mw-page-title-main">Nankeen night heron</span> Species of bird

The nankeen night heron is a heron that belongs to the genus Nycticorax and the family Ardeidae. Due to its distinctive reddish-brown colour, it is also commonly referred to as the rufous night heron. It is primarily nocturnal and is observed in a broad range of habitats, including forests, meadows, shores, reefs, marshes, grasslands, and swamps. The species is 55 to 65 cm in length, with rich cinnamon upperparts and white underparts. The nankeen night heron has a stable population size, and is classified as a species of least concern by the International Union for Conservation of Nature (IUCN).

<span class="mw-page-title-main">Great-billed heron</span> Species of bird

The great-billed heron is a wading bird of the heron family, resident from southeast Asia to Papua New Guinea and Australia.

<span class="mw-page-title-main">Cocoi heron</span> Species of bird

The cocoi heron is a species of long-legged wading bird in the heron family Ardeidae found across South America. It has predominantly pale grey plumage with a darker grey crest. A carnivore, it hunts fish and crustaceans in shallow water.

References

  1. BirdLife International (2019). "Egretta picata". IUCN Red List of Threatened Species . 2019: e.T22697037A155512365. doi: 10.2305/IUCN.UK.2016-3.RLTS.T22697037A155512365.en . Retrieved 12 November 2021.
  2. BirdLife International (2008). "Ardea picata". IUCN Red List of Threatened Species . 2008. Retrieved 9 February 2009. Database entry includes justification for why the species is listed as least concern.
  3. BirdLife International (2006) Species factsheet: Ardea picata. Downloaded from http://www.birdlife.org/datazone/species/index.html?action=SpcHTMDetails.asp&sid=3727 on 25/02/2010
  4. 1 2 3 4 5 Pizzey, Graham; Knight, Frank (1997). Field Guide to the Birds of Australia. Sydney, Australia: HarperCollinsPublishers. p. 111. ISBN   0-207-18013-X.
  5. "Pied Heron, Egretta picata, Taxonomy" . Retrieved 25 February 2010.
  6. 1 2 3 4 5 6 Kushlan, James Anthony; Hancock, James; Thelwell, David (2005). The Herons. Oxford University Press. p. 170. ISBN   0-19-854981-4.

Bibliography