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Synonyms for falcate

curved like a sickle

References in periodicals archive ?
The sex ratio of common teals (60.66% male, n = 361) is male-biased, while the falcated duck Anas falcata (52.10%, n = 286), mallard (50.00%, n = 90) and Eurasian wigeon (49.18%, n = 183) were found to exhibit balanced sex ratios in Poyang Lake during the wintering period (Shao et al., 2016).
The male ratio of the common teal, falcated duck and Eurasian wigeon all showed a tendency to initially increase and later decrease throughout the wintering period, while the mallard showed a continuous growth trend (Shao et al., 2016).
This male falcated duck, native to eastern Siberia and northern China, is creating so much hype among bird brains that some are actually en route from as far away as Toronto and North Carolina to see him.
What the heck was this duck, with the white spot above its bill, the iridescent green head and those gunmetal gray chest feathers with long, falcated (or sickle-shaped) tertials?
anser) (domestic) Exotic and domestic bird trade Whooper swan# (Cygnus cygnus) Migration ([dagger]) Falcated duck (Anas falcata) Migration ([dagger]) exotic bird trade, zoos, vagrant Eurasian wigeon# (A.
In middle wintering stage (from December to February), the sex ratio of common teal Anas crecca (60.66% male, n=361) was male-biased while falcated duck Anas falcata (52.10%, n=286), mallard Anas platyrhynchos (50.00%, n=90) and Eurasian wigeon Anas penelope (49.18%, n=183) were near parity.
In this paper, we monitored the sex ratios of four species of waterfowl (Common Teal Anas crecca, falcated duck Anas falcata, mallard Anas platyrhynchos, and Eurasian wigeon) and the age structure of one species of waterfowl (Tundra Swan Cygnus columbianus) wintering at Poyang Lake, Jiangxi Province, China.
One is a listing of the 403 species known to occur here - including such "very rare" birds as the falcated duck, arctic look and yellow-bellied sapsucker.
But this time of year, birdwatchers have visions of falcated ducks, snowy owls and wayward falcons.
Common teal (Anas crecca) was more abundant in PHF and DC, and falcated duck (Anas falcata) was more abundant in PHF.The bird composition was similar for BSZ, NJS, and DC.
(This year's counters also found some other "unusual" birds for this area - including a falcated duck and peregrine and prairie falcons).
As of early in the week, birders reported a rare falcated duck still was being spotted at Kirk Pond near Fern Ridge Lake.
They came hoping to see a Falcated Duck, a native of Asia never before recorded in Oregon.