An Antarctic gentoo penguin uses a small pebble as a token of love to symboli...
Animals Like Us
Season 1 Episode 6: Shark Dentist
Marvel at a toothy fish that helps sharks maintain their pearly whites, discover the signature calls of dolphin families, examine a capuchin monkey's nut-cracking stone tools, get the warm fuzzies when giraffes snuggle, and meet a meerkat mobster.