Anseriformes

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Related to Anseriform: order Anseriformes

Anseriformes

[‚an·sər·ə′fȯr‚mēz]
(vertebrate zoology)
An order of birds, including ducks, geese, swans, and screamers, characterized by a broad, flat bill and webbed feet.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Most of these HPAI (H5N1) isolates were recovered from a limited number of species in the order Anseriformes, including mute swans (Cygnus olor), whooper swans (C.
The 2 anseriform species in this report had a unique presentation of axillary neoplasia of basal cell origin.
However, from 1901 to 1955, only 2 benign epithelial tumors were found in Anseriformes; the specific type was not listed.
Data on the pharmacokinetics of fluoroquinolones in anseriform species are limited, and specific pharmacokinetic information for ducks, particularly wild birds, are scarce.
Waterfowl, e.g., ducks, geese, and swans (Anseriformes), and shorebirds (Charadriiformes) are particularly susceptible because they are exposed to water that may be contaminated with infected fecal matter, especially at specific sites and seasons, when these birds congregate densely at relatively confined and shallow water bodies (Figure 1).
However, if the H5N1 virus were introduced into the Western Hemisphere, migratory birds, particularly anseriforms (ducks, swans, geese), might serve as dispersal agents, especially if the virus were to change to a less lethal form through reassortment or mutation.
Known interhemispheric movement by migratory or vagrant waterfowl (Ciconiiformes, Anseriformes, Charadriiformes), domestic bird trade (Galliformes), or exotic bird trade (Galliformes, Psittaciformes) from Eurasia to North America * Species Likely mode of entry Bean goose (Anser fabalis) Migration ([dagger]) Greylag goose# (A.
However, some do, and the waterfowl (Anseriformes, Charadriiformes, Ciconiiformes) could be introductory hosts for HPAI H5N1 to the New World (Table 2).
(Note that within the order Anseriformes, sexual dichromatism is recently derived and is limited to tribes in the sister subfamilies Tadorninae and Anatinae, Livezey 1986).