books.google.com - A key way that behavioral ecologists develop general theories of animal behavior is by studying one species or a closely related group of species--''model systems''--over a long period. This book brings together some of the field's most respected researchers to describe why they chose their systems,...http://books.google.com/books/about/Model_systems_in_behavioral_ecology.html?id=QWnl0ZMnXZ0C&utm_source=gb-gplus-shareModel systems in behavioral ecology