Ken Behrens

Birding Ethiopia. A guide to the country's birding sites

Year unknown Ken Behrens, Keith Barnes, Christian Boix, and Ian Sinclair

Birds of Kruger National Park

Birds of Kruger National Park

Year unknown Keith Barnes and Ken Behrens

Habitats of Africa

Habitats of Africa

Year unknown Ken Behrens, Keith Barnes, and Iain Campbell

Habitats of the World

Habitats of the World

Year unknown Iain Campbell, Ken Behrens, Charley Hesse, and Phil Chaon

Peterson Reference Guide to Seawatching: Eastern Waterbirds in Flight (Peterson Reference Guides)

Year unknown Ken Behrens and Cameron Cox

Wildlife of Madagascar

Wildlife of Madagascar

Year unknown Ken Behrens and Keith Barnes

Wild Rwanda

Year unknown Ken Behrens, Christian Boix, and Keith Barnes