DENDROCYGNA AUTUMNALIS PDF

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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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To register to myAvibase click here. Due to its feeding habits, abundance, and nutritional value, D. The black-bellied whistling duck Dendrocygna autumnalisformerly also called black-bellied tree duckis a whistling duck that breeds from the southernmost United States and tropical Central to south-central South America.

Black-bellied Whistling-duck Dendrocygna autumnalis.

Contribute to Avibase Acknowledgements Flickr group Media stats Flickr group members Media wanted Translate Avibase is also available in the following languages: There is a large population of several hundred that winter each year in Audubon Park in uptown New Orleans, Louisiana.

Doksi, Skurki, Wiswisi Swedish: From Wikipedia, the free encyclopedia. Since it is one of only two whistling-duck species native to North Americait is occasionally just known as the “whistling duck” or “Mexican squealer” in the southern USA. Races intergrade in Panama.

Only subscribers are able to see the bibliography. Recent spike in leesburg to ocklawaha region with many nightly flights avgeraging 10 per flight.

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Login or Subscribe to get access to a lot of extra dendrovygna Flying birds show a distinctive, large white patch on the upper surface of each wing. Northern- and southern-most birds may move toward the Equator during their respective winters. In other projects Wikimedia Commons Wikispecies.

Black-bellied whistling duck

Over of the whistling ducks have resided in the Gum Slough of Sumter County, Florida for over 2 years. Habitat Favours tropical lagoons with some tree cover at margins, being found on lakes, reservoirs, stock 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 during intensive pesticide applications in rice fields was evaluated.

Holes in many species of trees serve as nest sites. The fulvous whistling duck D. They often feed on submerged vegetation by wading through shallow water. There’s a role for everyone! Adults are easily recognized by the combination of their coral red bill, pink legs and feet, gray head with chestnut crown and white denvrocygna ring, gray Panama and south or chestnut north of Panama breast, chestnut lower neck and mantle, autumjalis horizontal stripe along the side perched and black belly.

Avibase is also available in the following languages: Both parents share all tasks associated with the raising of young, from incubation to the rearing of ducklings.

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N race is distinctive, lacking grey lower breast to hindcollar, but other ddndrocygna apparently minor. Carbofuran was the most potent ChE inhibitor of D. Search Avibase search Browse by families. A typical clutch is about 14 eggs; however, pairs sharing nests may produce large, mixed clutches. Ducklings leap from nest cavities within two days of hatching, can feed themselves immediately, and stay with the parents for up to eight weeks.

Descriptive notes 43—53 cm; — g nominateedndrocygna — g, female — g fulgens. The wing bar is unique among living whistling ducks.

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

Skip to main content. Retrieved from ” https: They also make use of chimneys, abandoned buildings, or nest boxesthe latter having been increasingly provided to them over recent decades, especially autjmnalis southeast Texas and Mexico. 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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