Scientists suggest female frogs listen for changes in the male calls as a signal for when it's warm enough to mate.
Across the animal kingdom, sound is more than communication—it's a signal of survival and success. From birds and primates to ...
Animals do all sorts of things to attract each other as potential mates. Many birds, for example, produce feathers with elaborate color patterns – from the iridescent plumage of many hummingbirds to ...