|
Fox Sparrow: Large sparrow, varies from dark or gray-brown in the west, rufous in the east; upperparts may be so dark that back pattern is hard to see. Heavily streaked upperparts, converging at midbreast into a large, dark spot. Rust-brown tail. Bill has dark upper mandible, yellow lower mandible.
|
|
|
Fork-tailed Storm-Petrel: Medium storm-petrel, blue-gray upperparts, pale gray underparts. Forehead is dark gray, eye patch is gray. Primaries are darker gray than other flight feathers. Forked tail, feathers are narrowly white-tipped. Alternates rapid, shallow wing beats and stiff-winged glides.
|
|
|
Fieldfare: Large, robin-like thrush with rufous back with gray head and rump. Underparts are brown-barred white on breast and sides, and white on belly. Wings are rufous. Tail is dark gray to black. The bill is yellow with a dark tip. Strong and fast flight on rapidly beating wings.
|
|
|
Fork-tailed Swift: Large swift, brown-black overall with white throat and rump, scaled belly, and long, deeply forked tail. Bill is black, legs and feet are gray-black. Rapid flight on stiff, quickly beating swept-back wings, alternating with gliding flight. Catches insects midflight.
|
|
|
Far Eastern Curlew: Largest curlew, very long, decurved bill, longest of any shorebird. Dark brown with heavily streaked underparts. Blue-gray legs, feet. Eats crustaceans, marine worms, insects, larvae, invertebrates. Strong steady flight, rapid wing beats. Flies in straight line or V formation.
|
|