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Genus I.--Ibis, Cuv. Ibis


Genus I.--Ibis, Cuv. Ibis


The definitive website on wildbirds & nature



Birds of America

By John James Audubon, F. R. SS. L. & E.

VOLUME VI.

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GENUS I.--IBIS, Cuv. IBIS.

Bill very long, slender, higher than broad, compressed, tapering, arched, obtuse; upper mandible with the dorsal line arched in its whole length, the ridge convex, broader towards the end, the sides at the base erect, towards the end very convex and narrow, separated in their whole length from the ridge by a deep narrow groove, the edges inflected and sharp; lower mandible more slender, its angle very narrow, and protracted in the form of a groove to the tip. Nostrils basal, dorsal, linear. Head small, compressed, oblong, bare before the eyes; neck long and slender; body rather slender. Feet very long, slender; tarsi scutellate; anterior toes connected by membranes at the base. Claws rather small, slightly arched, pointed. Wings long, ample, with the second quill longest. Tail short, nearly even, of twelve feathers. OEsophagus wide, like that of a Heron; stomach inuscular.




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