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Image from page 212 of "Handbook of birds of eastern North America; with introductory chapters on the study of birds in nature" (1912) | by Internet Archive Book Images
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Image from page 212 of "Handbook of birds of eastern North America; with introductory chapters on the study of birds in nature" (1912)

Identifier: handbookofbird00chap

Title: Handbook of birds of eastern North America; with introductory chapters on the study of birds in nature

Year: 1912 (1910s)

Authors: Chapman, Frank M. (Frank Michler), 1864-1945

Subjects: Birds

Publisher: New York, London, D. Appleton and Company

Contributing Library: The Library of Congress

Digitizing Sponsor: The Library of Congress

 

 

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Text Appearing Before Image:

a bird of the Mississippi Valley, and many ofthe maritime species nest on the islands of inland lakes, where, indeed,they may be represented throughout the year; but, as a family. Gullsare true birds of the sea and its bays. They throng our harbors fromearly fall to late spring, and during this season are ever in attendanceon coast-wise craft, and are not wanting in mid-ocean. Gulls average larger and stockier than Terns, and have less pointed,broader wings, and, as a rule, square tails. They procure their foodlargely by picking it from the surface of the water with their strong,hooked bills, not by plunging or darting, as do the Terns. They areamong natures scavengers of the water, and perform a service of greatvalue to man by devouring various forms of aquatic animals which,in dying, come to the surface. They also aid in freeing the waters ofour harbors from the garbage which inevitably finds its way there.Although feeding thus on offal, most Gulls are highly predaceous and Plate X

 

Text Appearing After Image:

Laughing Gull. Gulls and PetrelsHerring Gull. Wilacnd Petrel. GULLS 153 feed upon the eggs and young of the other birds among which they nest,rarely, however, preying on their own species. Gulls are buoyant s-^vimmers, and, unhke Terns, rest and roost onthe water, often gathering in close-massed beds. They nest in colonieson islands. The young are born covered with down of mottled pattern,and though they may leave the nest in their natal dress, are dependenton their parents until they acquire the power of flight. The voicesof Gulls possess a certain, indescribable human quality which addsin no small degree to the impression created when storms rule andthese wild cries are heard above the tumult of wind and wave. KEY TO THE SPECIES I. Wing over 1500. 1. Back dark slaty black 47. Black-backed Gull. 2. Back not dark slaty black. A. Back pearl-gray. a. Outer primaries marked with black .... 51. Herring Gull.6. No black on primaries.61. Bill under 200. h-. Primaries light pearl-gray, fadin

 

 

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