Bertel Bruun contributed to nature guides from Golden Guides and St. Martin's Press.
Birds of North America
Golden Field Guide f/St. Martin's Press
Chandler S. Robbins, Bertel Bruun, and Herbert S. Zim, Revised by Jonathan P. Latimer and Karen Stray Nolting and James Coe; Illustrated by Arthur Singer
St. Martin's Press
Golden Guides from St. Martin's Press
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Spot the silhouette of a Northern Goshawk in flight. Identify the raucous call of the Red-winged Blackbird. Discover the secret of picking...