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An extinct Eocene bird having the jaws strongly serrated, or dentated, but destitute of true teeth. It was found near London.

A group of Mesozoic birds having the jaws armed with teeth, as in most other vertebrates. They have been divided into three orders: Odontolcæ, Odontotormæ, and Saururæ.

An order of extinct toothed birds having the teeth in sockets, as in the genus Ichthyornis. See Ichthyornis.

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

e hippopotamus. The term is also sometimes applied to the bears, and to certain passerine birds.

A beautiful bird (Moho nobilis) of the Hawaiian Islands. It yields the brilliant yellow feathers formerly used in making the royal robes. Called also yellow-tufted honeysucker.

A bird of the genus Anastomus, allied to the stork; -- so called because the two parts of the bill touch only at the base and tip. One species inhabits India, another Africa. Called also open- beak. See Illust. (m), under Beak.

Feeding on serpents; -- said of certain birds and reptiles.

n Australian shrub (Citriobatus parviflorus); also, its edible yellow berries. -- Orange bird (Zoöl.), a tanager of Jamaica (Tanagra zena); -- so called from its bright orange breast. -- Orange cowry (Zoöl.), a large, handsome cowry (Cypræa aurantia), highly valued by collectors of shells on account of its rarity. -…

The skin which surrounds the eye of a bird.

Situated around the orbit; as, the orbitary feathers of a bird.

Any one of various species of Old World singing birds of the family Oriolidæ. They are usually conspicuously colored with yellow and black. The European or golden oriole (Oriolus galbula, or O. oriolus) has a very musical flutelike note.

Of or pertaining to birds; as, ornithic fossils. Owen.

The footmark of a bird occurring in strata of stone. Hitchcock.

A fossil track resembling that of a bird. Hitchcock.

The fossil remains of a bird.

One skilled in ornithology; a student of ornithology; one who describes birds.

That branch of zoölogy which treats of the natural history of birds and their classification.

Divination by means of birds, their flight, etc. Ornithomancy grew into an elaborate science. De Quincey.

An extinct order of birds. It includes only the Archæopteryx.