Male animals’ mating motivation is actively regulated by their mate’s availability/quality and sexual experience. During courtship, males integrate female signals and environmental cues to sustain the ...

The color change, driven by hormones, seems aimed at preventing males from accidentally mating with each other. Two Asian common toad couples mating in Karnataka, India. The yellow toads pictured are ...

Female chickadees living in monogamous mating systems will proactively seek out males that have better cognitive skills than ...