Everything about Western Grebe totally explained
The
Western Grebe, (
Aechmophorus occidentalis),
is a
species in the
grebe family of water
birds. Folk names include "dabchick", "swan grebe" and "swan-necked grebe".
This is the largest
North American grebe 56-74 cm (22"-29") long. It is black-and-white, with a long, slender,
swan-like neck and red eyes. It is easily confused with
Clark's Grebe, which shares the same features, behavior and habitat, and
hybrids are known.
The Western Grebe has black around the eyes and a straight greenish-yellow bill whereas the Clark's Grebe has white around the eyes and an up-turned bright yellow bill. The downy young of Western are grey; Clark's downy young are white.
Western Grebes nest in colonies of hundreds on large inland
lakes, sometimes using
coastal
marshes, in western
North America. It has a spectacular
courtship displays; two birds will rear up and patter across the water's surface. Northern
birds migrate west to
coastal ocean in
winter; birds in the southwest and
Mexico may be permanent residents.
This bird dines by diving for
carp,
herring,
mollusks,
crabs, and
salamanders.
Western Grebe fossils from the
Late Pleistocene of SW North America were described as a distinct species (Miller 1911), but later ranked as a
paleosubspecies Aechmophorus occidentalis lucasi (Howard 1946). More recent study found them to fall within the variation now known to exist in today's birds (Jehl 1967, Storer 1989).
Further Information
Get more info on 'Western Grebe'.
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