falcate

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falcate

[′fal‚kat]
(astronomy)
Crescent-shaped; applied usually to the appearance of the moon, Venus, and Mercury during their crescent phases.
(biology)
Shaped like a sickle.
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References in periodicals archive ?
From a total of 101 surveys, we recorded 754 falcated ducks whose sex could be identified.
The sex ratio of the falcated duck in Poyang Lake was partly similar to that in Tai-hu Lake, indicating that the falcated duck may favor a more balanced sex ratio structure.
In fact, a falcated duck has been sighted here before, but the word seems well and truly out in the birding community this time.
Only a few North American falcated duck sightings have ever been made outside Alaska, Floyd said, and those have been in British Columbia, Washington and California.
A solitary falcated duck - Contreras and others presume it's the same one as the one now visiting near the Gainsborough Homes subdivision - has been spotted in various local spots in recent years.
Last year, he and his team were startled to discover a falcated duck on a Coburg pond - a stunning bird more common to Asia than North America.
When birders see surprising species such as the falcated duck with its bottle-green head, white neck and distinctive sweep of curving feathers along the back, that's icing on the cake.
Word of the Falcated Duck's presence was on the wire within minutes after it was first sighted by John Houle as he and Daphne Turner checked out the ducks on Kirk Pond from atop Fern Ridge Dam.
The male Falcated Duck has an iridescent green head and face, a white collar around its neck and distinctive long, sickle-shaped tertial feathers that form a prominent bustle when the wings are folded.