ANTHRO 128A Lecture Notes - Lecture 7: Gorilla, Order Of Friars Minor Capuchin
Document Summary
Hypo: reprod suppression thru pheromones is f sexually selected strategy in callitrichids. Predictions: f will suppress their reprod in the presence of reprod active f. F who is reprod active will scent mark more than other f. Exposre to reprod active f scent will induce reprod suppression in other f. Exp: expose f to dominant female scent (urine) Obs: collect info on f reprod status, births, rates on scent marking. Hyp: bigger nose = better scent for foraging. Large noses are sexually selected for by females. Data: measure noses, do females hang aroudn with males w/ the larger noses, track paternity. Hyp: sexy son model, f shopping for good genes (bright faces) Methods: check paternity, f associate w/ these m the most?, measure amt of parasites. Why silverback gorilla males are so much bigger than f (and blackback males) Hyp: infanticide is a sexually selected strategy in male.
