The giant, slow-motion Galápagos tortoise may even get frisky and mate. Circadian rhythms might ... a group — could affect domesticated animals, like dogs or cats, because pets can act ...

"Mating pairs are actively protecting their breeding ... 4) Be actively be present when pets are outside If out for a walk with a dog, keep it on a leash. He said people should also consider ...

M. Scott Brauer for The New York Times Supported by By Emily Anthes Emily Anthes, who has both a dog and a cat, has been writing about canine genetics since 2004. This article is part of our Pets ...