Joe Mortenson Author

Sarah G. Allen, a scientist with a federal environmental agency, has studied marine birds and mammals from the Gulf of the Farallones, California, to Antarctica. Joe Mortenson, formerly of the Farallones Marine Sanctuary Association, is the author of Animal Behavior: Theory and Research and Whale Songs and Wasp Maps. Sophie Webb, a director of Oikonos, is the illustrator of several field guides including A Guide to the Birds of Mexico and Northern Central America.