The birds of eastern North America known to occur east of the nineteenth meridian ..

Charles B. (Charles Barney) Cory

Description

^useumofyu 1869 LIBRARYTHE V The Birds OF EASTERN NORTH AMERICA WATER BIRDS PART I THE FAMILIES AND SPECIESKEY TO BY CHARLES B. CORY Dtpartmani of Ornithology in the Field Columbian MuseumCurator of SF^BOIKL. EDITION PKINTKK VX»\i TMV. FIELD MUSEUMCOLUMBIAN CHICAGO, EX. f KEYARTIFICIAL THETO DISTINGUISH BIRDS.BIRDS AND WATERLAND toes more or less webbed and no feathersAll birds having iutergradations between fignres A and B),on the tarsus (all Vultures,* and also all birds having the bill moreexcept the long, whether the toes are webbed or not, arethan three inches There are also a few Water Birds which do notWater Birds. above description, which may be described asagree with the —follows : loooQus-jn^iTtinlnt Bitterns uwi Small Herons.Galliuules. LeastRails. — with small web, orSiiOKK Birds. have the toesThe majority of the Shore Birds either the followingthe bill over be recognized bythree inches long. Those which do not may rather soft; nos-characters: hind front toes: bill,toe, when present, elevated above level of first primary, abouttril, a sht; lower not feathered;portion of tibia (upper part of leg), equal to second. — covered by a hornyGallinules. places; forehead,Kail-like birds, inhabiting marshy plate or shield. — level with front toesRails. Wing, hind toe, onratlier short and rounded; toes, long; (true Rails) ; first primary, second.much shorter than inner side of middleLeast Bitterns — four; lores, bare;and Small Herons.

Sujets

• North America

Informations

• Publié par: les_archives_du_savoir
• Nombre de lectures: 30
• Langue: English
• Poids de l'ouvrage: 10 Mo

Extrait

^useumofyu
1869
LIBRARYTHEVThe Birds
OF
EASTERN NORTH AMERICA
WATER BIRDS
PART I
THE FAMILIES AND SPECIESKEY TO
BY
CHARLES B. CORY
Dtpartmani of Ornithology in the Field Columbian MuseumCurator of
SF^BOIKL. EDITION
PKINTKK VX»\i TMV.
FIELD MUSEUMCOLUMBIAN
CHICAGO, EX.
f