Caleb Putnam
Caleb Putnam is a life-long birder who earned his Masters of Science in Environmental Studies from the University of Montana in 2003. A native of Michigan, he works for the U.S. Wildlife Service in Michigan and is a member of the Michigan Audubon Society. He frequently leads birding tours along the rivers of Montana and Michigan. While he has contributed numerous articles on ornithology, "Montana Birds" is his first book.

Gregory Kennedy
Gregory Kennedy has been an active naturalist and adventurer since he was a young boy. He is the author of many books on natural history and has produced film and television work on environmental issues and indigenous concerns in southeast Asia, New Guinea, South and Central America and the high Arctic. His involvement in numerous research projects around the world range from studies in the upper canopy of tropical and temperate rainforests to deepwater marine investigations.