Animals mating with the same sex is a common trait, having evolved so repeatedly in mammals that it is now thought to be helpful for social bonding and reducing conflict. Over 1,500 species of animal ...
A tiger walks the same worn groove along the edge of its exhibit, like a broken record. A parrot methodically plucks out its ...
Todd M. Freeberg does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...