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Drongo :: Drongo (n.) A passerine bird of the family Dicruridae. They are usually black with a deeply forked tail. They are natives of Asia, Africa, and Australia; -- called also drongo shrikes..

Physostigmine :: Physostigmine (n.) An alkaloid found in the Calabar bean (the seed of Physostigma venenosum), and extracted as a white, tasteless, substance, amorphous or crystalline; -- formerly called eserine, with which it was regarded as identical..

Phainopepla :: Phainopepla (n.) A small crested passerine bird (Phainopepla nitens), native of Mexico and the Southern United States. The adult male is of a uniform glossy blue-black; the female is brownish. Called also black flycatcher..

Tenuirostres :: Tenuirostres (n. pl.) An artificial group of passerine birds having slender bills, as the humming birds..

Clamatores :: Clamatores (n. pl.) A division of passerine birds in which the vocal muscles are but little developed, so that they lack the power of singing..

Eserine :: Eserine (n.) An alkaloid found in the Calabar bean, and the seed of Physostigma venenosum; physostigmine. It is used in ophthalmic surgery for its effect in contracting the pupil..

Motmot :: Motmot (n.) Any one of several species of long-tailed, passerine birds of the genus Momotus, having a strong serrated beak. In most of the species the two long middle tail feathers are racket-shaped at the tip, when mature. The bird itself is said by some writers to trim them into this shape. They feed on insects, reptiles, and fruit, and are found from Mexico to Brazil. The name is derived from its note..

Nomopelmous :: Nomopelmous (a.) Having a separate and simple tendon to flex the first toe, or hallux, as do passerine birds..

Anisodactylous :: Anisodactylous (a.) Characterized by unequal toes, three turned forward and one backward, as in most passerine birds..

Passerine :: Passerine (a.) Of or pertaining to the Passeres.

Dentirostral :: Dentirostral (a.) Having a toothed bill; -- applied to a group of passerine birds, having the bill notched, and feeding chiefly on insects, as the shrikes and vireos. See Illust. (N) under Beak..

Anserine :: Anserine (a.) Pertaining to the Anseres.

Strove :: Strisores (n. pl.) A division of passerine birds including the humming birds, swifts, and goatsuckers. It is now generally considered an artificial group..

Serine :: Serine (n.) A white crystalline nitrogenous substance obtained by the action of dilute sulphuric acid on silk gelatin.

Anserine :: Anserine (a.) Pertaining to, or resembling, a goose, or the skin of a goose..

Rupicola :: Rupicola (n.) A genus of beautiful South American passerine birds, including the cock of the rock..

Forktail :: Forktail (n.) One of several Asiatic and East Indian passerine birds, belonging to Enucurus, and allied genera. The tail is deeply forking..

Curvirostres :: Curvirostres (n. pl.) A group of passerine birds, including the creepers and nuthatches..

Broadmouth :: Broadmouth (n.) One of the Eurylaimidae, a family of East Indian passerine birds..

Oligomyold :: Oligomyold (a.) Having few or imperfect syringeal muscles; -- said of some passerine birds (Oligomyodi).

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