"Naturwissenschaftler." . . "Sciences naturelles Amérique du Nord Histoire." . . "Nordamerika." . . "Geschichte 1766-2000." . . "Ornithologe." . . "Naturalistes Amérique du Nord Biographies." . . . "History" . . . . "More than birds : adventurous lives of North American naturalists. by Val Shushkewich" . . "Electronic books" . . . . "Biography" . "The fascinating development of natural history studies in North America is portrayed through the life stories of 22 naturalists. The hope is that once people personally encounter the natural world and become aware of its intricacy, fragility, beauty, and significance, they will recognize the need for conservation." . . . . . . . . "More than birds : adventurous lives of North American naturalists" . . . . . . "More than birds adventurous lives of North American naturalists" . . . . "Biologe." . . "Naturbeobachtung." . . . .