Gull beak and feet from Color Key to North American Birds, by Frank M. Chapman ©1912

Published at 411 × 270 in Laridae – Gulls, Terns and Skimmers
Gull Beak and Feet

Gull Beak and Feet (from Color Key to North American Birds, by Frank M. Chapman ©1912)

66 Gull beak and feet from Color Key to North American Birds, by Frank M. Chapman ©1912

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