SWIFTS: Highly aerial sparrow-sized birds with long, narrow, pointed wings and very short bills. Flight erratic; wingbeats rapid. Wings held more stiffly and beat more rapidly than those of the swallows.
•TANAGERS: Sparrow or robin-sized birds with stout but not conical bills. Usually forage in trees. Males brightly colored, females olive or yellowish.
TERNS: Slender water birds with horizontal posture; bill slim and pointed or stout and spear-shaped; some have bushy crest; wings long, narrow, pointed; tail usually forked. Flight swallowlike; hover over water and dive from air; mob predators.
•THRASHERS: Slender birds, mostly with downcurved bills and long tails. Walk or run on ground, scratch noisily in leaves, and skulk in thickets.
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•THRUSHES: Slender billed, brown birds that often forage on ground, flipping over leaves.
•TITMICE: Sparrow-sized gray birds with pointed crest, large head, very small bills. Forage rapidly in foliage, and hang upside down from twigs.
•TOWHEES: Ground-dwelling birds with short, conical bills and long, usually rounded tails. Skulk and, when disturbed, flush; scratch noisily in leaves.
TROPICBIRDS: Mainly white seabirds with stout, spear-shaped bills, long, narrow pointed wings, and very long central tail feathers. Dive for fish from air.
•VIREOS: Mainly olive, very small to sparrow-sized birds with short, slender bills. Forage slowly for insects in foliage. Several have white wing bars, eye-rings, or spectacles.
