When we think about animal relationships, some endearing examples of devoted couples come to mind: emperor penguins that faithfully guard their hatchlings for weeks while they wait for their mate to return; love birds (not surprisingly) that groom and feed each other during courtship, and some species of monkeys that intertwine their tails as they … Continue reading I’ll have what she’s having: Manipulation in chimpanzee copulation calls
Just as we exploit social media to self-promote, find mates, and flaunt social status, animals use visual, olfactory, auditory, or mechanical displays to communicate with one another. Like a Facebook status, these displays often communicate some internal attribute about the organism. A well-known example of this type of signaling is the vibrant tail-feathers of the … Continue reading I’m looking at the fish in the mirror: a tail of social signaling
We tend to view sexual selection as secondary to natural selection, but nothing is second to the imperative to reproduce. Sometimes that means that even precisely engineered traits like echolocation have room to be a little sexier. Could falsetto calls really be a signal of male quality in the Mehelyi's horseshoe bat?