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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Other related concepts Dendrocygna [autumnalis x eytoni] hybrid Dendrocygna [autumnalis x bicolor] hybrid Dendrocygna [autumnalis x viduata] hybrid Dendrocygna [arborea x autumnalis] hybrid. Widespread and common; northern subspecies alone estimated to number betweenand 1, birds, while the southern Year-round Migration Breeding Non-Breeding.

Anas autumnalis Linnaeus, America. What do coloured bullet points mean? Black-bellied Whistling-Duck Dendrocygna autumnalis Linnaeus, Search Avibase search Browse by families.

Black-bellied whistling ducks ingest a wide variety of plant material, but also consume arthropods and aquatic invertebrates when available.

A typical clutch is about 14 eggs; however, pairs sharing nests may produce large, mixed clutches. This page was last edited on 24 Decemberat Public comments No comments yet Only members are able to post public comments. The belly and tail are black, and the body plumage, back of the neck and cap are a rich chestnut brown. At the heart of their range, there is a tendency to travel in flocks over the winter months, though this behavior is not a true long-range migration but rather local dispersal.

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Anas autumnalis, Dendrocygna autumnalis, Dendrocygna autumnalis autumnalis Lithuanian: Views Read Edit View history.

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

They also make use of chimneys, abandoned buildings, or nest boxesthe latter having been increasingly provided to them over recent decades, especially in southeast Texas and Mexico. The fulvous whistling duck D. Sexes alike, but male sendrocygna have slightly darker Bibliography Only subscribers are able to see the bibliography.

Ducklings leap from nest cavities within two days of hatching, can feed themselves immediately, and stay with the parents for up to eight weeks. Northernmost breeding areas largely deserted in winter, which birds presumably This duck is consumed by local inhabitants throughout the year, despite its potential exposure to pesticides.

Recommended citation Carboneras, C. Anatra fischiatrice becco rosso, Dendrocigna beccorosso, Dendrocigna pancianera Japanese: Panama to n Argentina mainly east of Andes Dendrocygna autumnalis fulgens: The habitat is quiet shallow freshwater pondslakesand marshescultivated land or reservoirs with plentiful vegetation, where this duck feeds mainly at night on seeds and other plant food.

Related taxa Other related concepts Dendrocygna [autumnalis x eytoni] hybrid Dendrocygna [autumnalis x bicolor] hybrid Dendrocygna [autumnalis x viduata] hybrid Dendrocygna [arborea x autumnalis] hybrid Other synonyms Arawak: Favors shallow freshwater lakes; may come to those in open country, but seems to favor ponds surrounded by trees.

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Feeding often occurs nocturnallybut they can be encountered eating at any hour of the day. Help complete this species There are many ways to contribute—we need species information, photographs, audio, video, translations, maps, distribution data, and bird sightings. You must be logged in to view your sighting details.

Jenjon vant nwa Hungarian: Will nest on ground or in tree cavities. Its pairs often stay together for many years, a trait more often associated with geese and swans.

Dendrocygna autumnalis Linnaeus Cholinesterase inhibition after exposure to pesticide mixtures predominantly was due to carbofuran.

Skip to main content. Show Details Hide Details. Only subscribers are able to see the bibliography. International Union for Conservation of Nature. From Wikipedia, the free encyclopedia.

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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. They fly with a distinctive profile—neck outstretched with the head held slightly lower than the body.

The face and upper neck are gray, and autumnalia sport a thin but distinct white eye-ring. Retrieved from ” https:

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