All animals have the capacity to learn through operant conditioning and other types of learning, and as a result, zoos and other animal care facilities have shifted towards the use of positive ...
Articles reprinted from various sources. NZPWHS copy 39088015032105 has bookplate: Smithsonian Libraries Adopt-a-Book program. Adopted by Laura Peebles & Ellen Fingerman In Memory of Dr. Hilary Petit, ...
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