zoology Stunning underwater scenes drawn by hand in an 1860s submersible David Pescovitz

pandas Panda cub! The best of the National Zoo's panda cam videos as picked by the curators and panda keeper David Pescovitz

beetle Beetle species swallowed by frogs just exits alive via the old dirt road Andrea James

amazing sights Watch thousands of wildebeest cross a river during great migration in Tanzania Xeni Jardin

felines Outdoor pet cats kill more animals than wild cats do in the same size area David Pescovitz

amazing creatures Baby colobus monkey is adorable Xeni Jardin

mountain lions Video: 5 California mountain lions hanging out together, home surveillance camera footage Xeni Jardin

zoology Tasmanian tiger: thought to be extinct yet sighted two months ago David Pescovitz

physarum polycephalum Paris zoo opens a new exhibit with an immortal mutant slime mold called "The Blob" Thom Dunn

guyana Sara Varon's New Shoes: a kids' buddy story about the jungles of Guyana and redemption Cory Doctorow

critters See the cute and strange underbelly of animals David Pescovitz

simian salt Monkeys make surprisingly terrible random-number generators Cory Doctorow

bones Watch these busy beetles devour delicious flesh David Pescovitz

crustaceans New species of Crayfish named after Edward Snowden David Pescovitz