ANTB22H3 Lecture 12: Lecture 12 Full Notes
Document Summary
Lecture 11- professor lecture- great apes: cont"d: exam. : april 29, 2-5, sw309: orangutan taxonomy: on island of borneo- pongo pygmaeus, on island of sumatra- Pongo abelii: birute galdikas- documented umbrellas, toilet paper, modify sticks to collect insects. : diet, sociality, tool use- orang-utans used leafs as: galdikas observed physically aggressive male-male competition: may explain why there is sexual dimorphism in the form of larger male body size. *sexual dichromatism- differences in male and female colour* Antb22- lecture 12- ta lemur presentation: the ring-tailed lemur (lemur catta): dominant and female philopatric (males disperse and females stay in the group) Madagascar, highly social, 5-25 groups, female: male lemur catta. : leave natal group between 3 and 4 years old, migrate every 3 years, have 3 scent glands (females only have one), have 22 vocalizations (females only have 20: vocal communication. 6 agonistic calls (used by winners and losers in dominance interactions)
