canids
... that the penis in male canids contains a structure at the base which helps to create a copulatory tie during mating, locking the animals together for up to an hour?
... that the penis in male <b id="mwA2s"><a href="./Canidae" id="mwA2w" rel="mw:WikiLink" title="Canidae">canids</a></b> contains a structure at the base which helps to create a copulatory tie during mating, locking the animals together for up to an hour?