DENDROCYGNA AUTUMNALIS PDF

Origin of type specimen unclear, leading to confusion over correct allocation of nominate subspecies autumnalis; S race has been labelled discolor, with N race . Anguilla; Antigua and Barbuda; Argentina; Aruba; Barbados; Belize; Bolivia, Plurinational States of; Brazil; Canada; Colombia; Costa Rica; Cuba; Dominica;. Black-bellied whistling duck (Dendrocygna autumnalis) brain cholinesterase characterization and diagnosis of anticholinesterase pesticide exposure in wild.

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What do coloured bullet points mean? It usually nests in hollow trees in South America many times in palm trees. Login or Subscribe to get access to a lot of extra features! Yaguaza Demdrocygna Prieta Spanish Spain: The belly and tail are black, and the body plumage, back of the neck and cap are a rich chestnut brown. Status and conservation Not globally threatened Least Concern. Adults are easily recognized by the combination of their coral red bill, pink legs and feet, gray head with chestnut crown and white eye ring, gray Panama and south or chestnut north of Panama breast, chestnut lower neck and mantle, white horizontal stripe along the side perched and black belly.

They often feed on submerged vegetation by wading through shallow water.

Dendrocygna autumnalis (Black-bellied Whistling-Duck) – Avibase

As its Latin name autumnalis implies, it is commonly seen gleaning recently harvested fields for leftover seeds and invertebrates brought up by the harvesters disturbing the soil. Tropical populations are non-migratory. Black-bellied Whistling-Duck Dendrocygna autumnalis Linnaeus, Public comments No comments yet Only members are autunnalis to post public comments. Bird checklists – taxonomy – distribution – maps – links. The black-bellied whistling duck is a common species that is “quite tame, even in the wild”.

Black-bellied whistling duck – Wikipedia

Retrieved 26 November It is a rare breeder in such disparate locations as ArkansasGeorgiaDendrocygnna, and South Carolinathough it is now a common breeder in parts of central Florida. They fly with a distinctive profile—neck outstretched with the head held slightly lower than the body.

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Contribute There are a few ways by which you can help the development of this page, such as joining the Flickr group for photos or dendroccygna translations of the site in addition languages.

There’s a role for everyone! N race is distinctive, lacking grey lower breast to hindcollar, but other differences apparently minor.

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Show Details Hide Details. In this study, the brain cholinesterase ChE in the frontal cerebral cortex of autochthonous ducks was characterized.

This species is not considered to be of conservation concern by the IUCN [1] and the National Audubon Society ; its global population is estimated at 1,, birds. Over of the whistling ducks have resided in the Gum Slough of Sumter County, Florida for over 2 years. Dendrocygna autumnalis Linnaeus The call, often heard at night as flocks move to and from nocturnal feeding grounds, is a high pitched ” pe-che-che.

International Union for Conservation of Nature. Ducklings leap from nest cavities within two days of hatching, can feed themselves immediately, and stay with the parents for up to eight weeks. Only subscribers are able to see the bibliography. You must be logged in to view your dendrocyfna details.

Anas autumnalis, Dendrocygna autumnalis, Dendrocygna autumnalis autumnalis Lithuanian: The fulvous whistling duck D. They will also nest on the ground, in abandoned machinery, chimneys, and other artificial cavities. The black-bellied whistling duck is quite unique among ducks in their strong monogamous pair-bond.

Since it is one of only two whistling-duck species dendrlcygna to North Americait is occasionally just known as the “whistling duck” or “Mexican squealer” in the southern USA.

Dendrodygna of type specimen unclear, leading to confusion over correct allocation of nominate subspecies autumnalis ; S race has been labelled discolorwith N race then as nominate Rbut re-examination of the literature indicates that autumnalis should be applied to S population, with N population then named fulgens R R R.

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Help complete this species There are many ways to contribute—we need species information, photographs, audio, video, translations, maps, distribution data, and bird sightings.

The white wing patch, a tell-tale feature of this species, is conspicuous in flight. Doksi, Skurki, Wiswisi Swedish: Its pairs often stay together for many years, a trait more often associated with geese and swans. By using this site, you agree to the Terms of Use and Privacy Policy.

The extensive white in the wings is obvious in flight, less so on the ground; it is formed by the secondary remiges while the autumnais are black; the wing-coverts are brown. Wikispecies has information related to Dendrocygna autumnalis.

When on the ground, it may be hard to discern the light flanks present in many of these waterfowl. Holes in many species of trees serve as nest sites.

When foraging, often in dry fields, also in irrigated land. In addition, the potential of the three locally used pesticides and mixtures to inhibit ChE activity was investigated and the exposure of the wild duck population dendrocyga intensive pesticide applications in rice fields was evaluated.

Searchable Ornithological Research Archive

There are more than 12, regional checklists in Avibase, offered in 9 different taxonomies, including synonyms more than languages. There has been a large flock noted for about two years in the River Plantation area of Parrish in Manatee County, Florida. Dendrocygna autumnalis brain ChE is a suitable parameter for inclusion in biomonitoring programs for both environmental protection and human safety. Races intergrade in Panama.

At the heart of their range, there is a tendency to travel in flocks over the winter months, though this behavior is not a autumnaliss long-range migration but rather local dispersal.