ANTH 233 Lecture Notes - Lecture 7: Prehensile Tail, Goeldi'S Marmoset, Southern California
Document Summary
Some spp converged on prosimian and ape characteristics. Most have relatively short arms and no opposable thumb. More specialized and the smallest, bright colors and patterns, some vcl. Two nipples and single uterus, characteristics of mammals with singletons, twins are average but have up to five placentae. Can concieve within 2-4 weeks after giving birth. Need at least four helpers for 100% survival. Tend to be 1 breeding females iwth one or two males, sometimes second breeding females. High female-females competition within groups: aggression, ovulatory, suppressing done via pheromones, depends on genus can inhibit sexual behavior or ovulation. Found in low levels of forest and vine tangles in amazonia. Usually one male one female groups, or two males. Have a high vcl and the highest gums. Mom cares for offspring in first three weeks. In amazonia, brazil, bolivia, dry forest especially edge and secondary. Have specialized dentition, chisel like incisors, peg-like canines.
