3 Free Images of Polioptilidae Of The United States

animalsbirdpolioptila caeruleablue-gray gnatcatcherplantsimages from birds of the vicinity of the university of indiana by w. l. mcateepolioptilidae nests
Original caption: "No. 27. Nest and four eggs of Blue-gray Gnatcatcher in elm tree."
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Original caption: "No. 28. Side view of nest of Blue-gray Gnatcatcher."
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NPS | N. Lewis (K0A9039)
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