Key/Amphibians/Reptiles...(PB)

ISBN-13: 9780700609291 / Angielski

Robert Powell; Joseph T. Collins; Jr. Errol D. Hooper

Opis

This comprehensive key for identifying specimens of amphibians and reptiles in the U.S. and Canada - the first since 1983 - incorporates the wealth of scientific findings generated by molecular systematics (the study of DNA to determine genetic relationships) and simplifies identification by making geographic origin a leading factor.