Teachers' manual of bird-life/Plate 4

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Larus smithsonianus

2483568Teachers' manual of bird-life
Herring Gull, Plate IV,
Ernest Seton Thompson


Page 86,88.

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HERRING GULL.

Length, 24-.0 inches. Adult, back and wings pearl-gray; end of primaries marked with black; rest of plumage white. Young, dark grayish, primaries and tail brownish black.

PETRELS.

Length, 7.50 inches. Black, upper tail-coverts white.