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 ...

If I try to purr on a diaphragm I can make a sound, but it won’t be a turkey call. On the other hand, with my slate call I can purr, yelp, cutt, cluck, tree cackle, and even kee-kee run without much ...