greater yellowlegs การใช้

• The greater yellowlegs is similar in appearance to the smaller lesser yellowlegs.
• If they are present, Wilson's phalarope, American avocet, willet, sandpipers, Greater yellowlegs, and dowitchers will be easy to observe.
• Compared to the greater yellowlegs, the bill is shorter ( visually about the same length as the head ), slim, straight, and uniformly dark.
• I raised my binos to scan the shore, where I had willet, lesser yellowlegs and greater yellowlegs ( No . 99 ) together in one view.
• Higher-powered optics make birds appear closer so they can be identified through the field marks that, for example, distinguish a lesser yellowlegs from a greater yellowlegs.
• Those differences are often subtle : The greater yellowlegs has a long, slightly upturned bill and thicker leg joints, while the lesser yellowlegs has a straight bill.
• Migrating birds that winter regularly at Richardson's Bay include least sandpiper, western sandpiper, spotted sandpiper, American avocet, dunlin, marbled godwit, greater yellowlegs, willet, long-billed curlew and dowitchers.
• The greater yellowlegs and the greenshank share a coarse, dark, and fairly crisp breast pattern as well as much black on the shoulders and back in breeding plumage.
• It appears closest overall to the " semipalmata-flavipes " and the " stagnatilis-totanus-glareola " groups, though it also has some similarities to the greater yellowlegs and common greenshank.
• In late July and in August, there will be wide range of birds at these feeding grounds, including various species of sandpipers, killdeer, lesser and greater yellowlegs, and great egrets.
• Some of the species include the great blue heron, white-faced ibis, black-crowned night heron, green heron, black-necked stilt, great egret, snowy egret, belted kingfisher, black phoebe, killdeer, common yellowthroat, greater yellowlegs, American coot, and mallard.
• Our scopes pulled in a lone greater yellowlegs on the Mill Pond, and we had fair success with raptors : 20 ospreys, 10 sharp-shinneds, five harriers, five kestrels, three Cooper's, two red-tails, and the peregrine.
• They consulted three different bird books and came to the unanimous conclusion that the bird whose name had almost stumped them was in fact two related species of conflicting size : greater yellowlegs and lesser yellowlegs.
• Other birds include the red-shouldered hawk, the loggerhead shrike, the endangered red-cockaded woodpecker, Cooper's hawks, pileated woodpeckers, Savannah sparrows, northern mockingbirds, brown thrashers, catbirds, green-winged teals, greater yellowlegs, western sandpipers, least sandpipers, dowitchers, and American white pelicans.
• They are the greater yellowlegs, mallard duck, least sandpiper, great egret, snowy egret, herring gull, great black-backed gull, osprey, Canada goose, tree swallow, gray catbird, killdeer, glossy ibis, red-winged blackbird, northern mockingbird, least tern, piping plover and peregrine falcon.
• This species is similar in appearance to the larger greater yellowlegs, although it is more closely related to the much larger willet; the fine, clear and dense pattern of the neck shown in breeding plumage indicates these species'actual relationships.
• If you take the bill of a greater yellowlegs and hit the tip of the bill with a hammer to drive the tip of the bill back through the head it will stick out the back of the head.
• Similarly, the leg / foot color wildly varies between close relatives, with the spotted redshank, the greater yellowlegs, and the common greenshank for example being more closely related among each other than to any other species in the group; the ancestral coloration of the legs and feet was fairly certainly drab buffish as in e . g . the green sandpiper.
• The funnel-shaped outline of Hudson and James bays causes birds migrating from the Arctic to concentrate at the southern end of James Bay each autumn, particularly in the late autumn, where the extensive coastal wetlands provide critical staging and moulting areas for migrating lesser snow geese, dabbling ducks and shorebirds such as red knot, short-billed dowitcher, dunlin, greater yellowlegs, lesser yellowlegs, ruddy turnstone, and American golden plover.