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Keywords from Image Description:
. The Spotted Warbler Sylvicola maculosa. . The Blackburnian Warbler Sylvicola blackburni. . The Blackthroated Green Warbler Sylvicola virens NYPL b. en The Spotted Warbler Sylvicola maculosa The Blackburnian Warbler Sylvicola blackburni The Blackthroated Green Warbler Sylvicola virens nypl org Scan by NYPL The Spotted Warbler