Perla, Bianca S. books & textbook
Prairie Dogs: Communication and Community in an Animal Society
Slobodchikoff, C. N. Perla, Bianca S. Verdolin, Jennifer L.
Harvard University Press /2009-02-02 Hardcover / 280 Pages
isbn-10: 0674031814 / isbn-13: 9780674031814
Family Walks on Vashon Island
Vashon Nature Center /2011-01-01 Paperback / 244 Pages
isbn-10: 0615493599 / isbn-13: 9780615493596
