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2020-06-10. Wikimedia Commons has media related to Ursus arctos beringianus. Photos of the Kamchatka Brown Bear (Ursus arctos beringianus) by Klaus Nigge
at VIREO (Drexel University) Photos of the American White Pelican by Klaus Nigge Interactive range map of Pelecanus erythrorhynchos at IUCN Red List maps
ISBN 3-536-00476-8 (Deutsche Nationalparke, Vol. 2). Norbert Rosing, Sarah Fuchs, Klaus Nigge: Deutsche Nationalparks. Tecklenborg, Steinfurt 1997, ISBN 3-924044-29-5
Philippine eagle hunting flying lemurs Photos of the Philippine eagle by Klaus Nigge Original announcement of 1896 and detailed account from 1897 by W. R
Wildlife Photographer of the Year
Wolfschläger Austria Specially commended 1 1993 Animal Behaviour - Birds Klaus Nigge Germany Runner-up 1 1993 Animal Behaviour - Mammals Barry Wilkins South