Female meadow voles, Microtus pennsylvanicus, cause their mates to ejaculate outside their reproductive tract
Female preferences for male calling songs in the bladder grasshopper Bullacris membracioides
The effects of male proximity, apparent size, and absolute size on female preference in the sailfin molly, Poecilia latipinna
Persistence and change of vocal signals in natural populations of chickadees
Group movement decisions in capuchin monkeys
Three vocalization types in the blue tit Cyanistes caeruleus
Advertising by western grebes
How an animal's behavioural repertoire changes in response to a changing environment