Sections 37-477 to 37-480 shall not be construed to require the obtaining of a permit for the purpose of keeping in captivity wild birds, wild mammals, or wildlife as specified in subsection (1) of section 37-477 or for the purpose of purchasing, possessing, propagating, selling, bartering, or otherwise disposing of any wild birds, wild mammals, or wildlife as specified in subsection (1) of section 37-477 by (1) any zoo, park, refuge, wildlife area, or nature center owned or operated by a city, village, state, or federal agency or any zoo accredited by the Association of Zoos and Aquariums or the Zoological Association of America or (2) any circus licensed by the United States Department of Agriculture.