A hilarious and reassuring gift for every mom: because we're all doing the best we can, and the natural world is filled with moms worse than you!A mom giraffe is pretty nice until the fetus drops.She'll birth a newborn baby calf, then kick him 'til he walks. Whenever you feel guilty that you haven't cleaned the house:Sexton beetles raise their kids in a decomposing mouse. A koala mom will feed her kids her own poop. Yes, poop. Panda moms will abandon one twin because raising two is, well, just too much. And every now and then a cuddly little hamster mom will -yup- eat her newborn pups. These and other true facts from the animal kingdom offer a hilarious reality check on what constitutes "good parenting." So, human mother, time to stop worrying about the job you're doing -because you're a great mom.