["SCIENCE \/ Life Sciences \/ Zoology \/ General","Bufo;Evolution;North America.","Bufo;North America;Classification.","Bufo;Evolution;North America.","Bufo;North America;Classification.","General Adult","INDIVIDUAL INSTITUTIONS OF HIGHER EDUCATION","Non-Fiction","SCIENCE \/ Life Sciences \/ Zoology \/ General","Science\/Math","UNIVERSITY PRESS","United States"]