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Medientyp:
E-Artikel
Titel:
Winter Foods of Black-Bellied Whistling-Ducks in Northwestern Mexico
Beteiligte:
Kramer, Gary W.;
Euliss,, Ned H.
Erschienen:
The Wildlife Society, 1986
Erschienen in:
The Journal of Wildlife Management, 50 (1986) 3, Seite 413-416
Sprache:
Englisch
ISSN:
0022-541X;
1937-2817
Entstehung:
Anmerkungen:
Beschreibung:
<p>Foods of wintering black-bellied whistling-ducks (Dendrocygna autumnalis) were studied in December 1979 and December and January 1980-81 in Sinaloa, northwestern Mexico. About 75% by weight of the foods were cereal grains, predominantly rice in 1979 and corn in 1980-81. Junglerice barnyardgrass (Echinochloa colonum) caryopses were the most important moist-soil plant food. Animal foods comprised <3% of the diet.</p>