Some heterosexual animals do, but most don't. There are a large number of non-heterosexual that do though.” Lions are also homosexual. Male lions often band together with their brothers to lead the pride. read more
I know that dogs do, because my dogs have done it. Dogs do "tie" for a while after ejaculation (the penis swells so large it can't get out, most of us have seen it on playgrounds with strays). read more