Delightful Creatures Bear is asked to leave party; bear complies, but gets in one swipe on the way out Ruben Bolling

Science Incredible video of orangutan building a hammock Ruben Bolling

spiders Do spiders dream? New study finds evidence of REM-like movement in arachnids Thom Dunn

Weird Haru the bull – raised among dogs, and now he acts like one too Grant St. Clair

Science Watch a heron use bait to catch a fish Ruben Bolling

Science Dolphin moms baby-talk their children Ruben Bolling

Delightful Creatures Emotional support dogs are used to keep cheetahs calm and happy Ruben Bolling

Science How skywalker gibbons prepare for and plan out their breakfast Ruben Bolling

animal behavior Researchers ponder why orcas attack boats Gareth Branwyn

Science Orcas have learned how to kill great white sharks, to remove and eat their livers Ruben Bolling

Science Orcas now teaching each other to ram and capsize boats Ruben Bolling

Delightful Creatures Video: Gorilla brother harasses his baby sibling and gets punished by mom Ruben Bolling

Science Wolves: Want to lead your pack? Get a parasite! Ruben Bolling

animals Thor the Grumpy Masturbating Walrus has found a new home in Iceland Thom Dunn

animals These marsupials are so horny they've become an endangered species Thom Dunn

photography Bear poses for 400 selfies at Colorado park Thom Dunn

fish New study: Fish can get addicted to meth after eating human poop Thom Dunn

monkeys Japanese police crack down on aggressive monkeys, killing one of them Thom Dunn

england Area emu stops drunk driver from fleeing the scene of a crash Thom Dunn

animals Check out this duck playing the drums Thom Dunn