Ducks and elephants and bears, oh my! These are just a few of the more than 120 species featured in Photo Ark Babies by joelsartore. Did you know that bear cubs start out tiny, each weighing no more than a pound (between 200 and 450 grams)? They are the smallest babies relative to the adult size of any mammal. You can learn about bear cubs and many other babies in the animal kingdom by getting your copy at the link in bio #PhotoArk Video by joelsartore