Mud crabs can smell when blue crabs have eaten and metabolized other mud crabs.
Yucca moths and flowers depend on each other for reproduction.
Long used in courtship rituals, sweet smelling flowers developed their fragrances to attract insects.
Pirate fish are not only ravenous predators, they appear to be masters of deception.
Female lemurs on contraceptives smell different to potential mates than ones that are not.
The early bird catches the worm. But, how do Robins find worms?