Male green treefrogs attract mates with loud calls, but new research shows parasites can subtly change those signals.

"Each spring, all adults of the species migrate to one site, the Colorado River Delta in the uppermost portion of the Gulf [of California], to form one spawning aggregation of several million fish," ...

Love is complicated enough for humans, but in the animal kingdom, courtship can get downright bizarre as you’re about to see in the videos of the strangest animal mating rituals below. From underwater ...