11. Mammalogists are typically involved in activities such as conducting research, managing personnel, and writing proposals.12. "' William Norton " Bill " Holsworth "'is an Australian mammalogist and philanthropist. 13. He also contributed to " Mammalian Species ", the journal of the American Society of Mammalogists . 14. Most serious was the papilloma virus, which mammalogists say is sometimes found on the skin of even wild orcas. 15. It is named for �ngel Cabrera, a mammalogist then working at the Museo Nacional de Ciencias Naturales in Madrid. 16. The sanctuary is named after South Africa's well-known ornithologist and mammalogist , J . Austin Roberts. 17. Mammalogists can trap their prey and entomologists typically net their quarry, providing the opportunity for a good, long look.18. This was questioned in 1921 by British mammalogists Witmer Stone and James A . G . Rehn finally cleared the air. 19. He was a member of the American Society of Mammalogists , the Society of Animal Artists, and the Society of Illustrators. 20. "' Donald Ryder Dickey "'( 1887 1932 ) was an American ornithologist, mammalogist , and nature photographer.