. Birds of the Chukchi Peninsula and Wrangel Island = (Ptitsy Chukotskogo poluostrova i ostrova Vrangelya). Birds; Birds. Fig. 17. Incubating Snowy Owl Nyctea scandiaca (L.). Wrangel Island. June, 1970. Photo by Krechmar. Fig. 18. Nestling of the Snowy Owl Nyctea scandiaca (L.). Nutauge lagoon. July 15, 1970. Photo by A. A. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Portenko, L. A. (Leonid Aleksandr

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. Birds of the Chukchi Peninsula and Wrangel Island = (Ptitsy Chukotskogo poluostrova i ostrova Vrangelya). Birds; Birds. Fig. 17. Incubating Snowy Owl Nyctea scandiaca (L.). Wrangel Island. June, 1970. Photo by Krechmar. Fig. 18. Nestling of the Snowy Owl Nyctea scandiaca (L.). Nutauge lagoon. July 15, 1970. Photo by A. A. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Portenko, L. A. (Leonid Aleksandrovich), 1896-1972. New Delhi : Published for the Smithsonian Institution and the National Science Foundation, Washington, D. C. , by Amerind Pub. Co.

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Keywords: ., bo, bookcentury1900, bookcollectionbiodiversity, booksubjectbirds