mammalogist

What Are 10 Organisms In Mammalogy? Approximately 4,000 species of living mammals and numerous extinct forms comprise the mate- rial for study. The approaches to these diverse organisms—including egg-laying echidnas and platypuses, tiny shrews, bats, mice, seals, whales, apes, and elephants—are as varied as the or- ganisms themselves. What are the 10 branches of zoology?