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Keywords from Image Description:
Blackheaded Gull. . Adult Male Spring Plumage. . Young first Autumn NYPL b. nypl org Scan by NYPL Blackheaded Gull Adult Male Spring Plumage Young first Autumn Audubon Chevalier General Research Division abbcffddabc The birds of America from drawings made in the United States and their territories dddfadeeaa repo nypl org