Hoatzin: The Strange 'Smelly Bird' Born With Clawed Wings That Appears to Be an Evolutionary 'Orphan'
Animals
What is the difference between apes and monkeys?
Big Cat Quiz: Can You Answer the Lion's Share of These Questions Correctly?
Watch as the elusive New Zealand snail lays an egg through a 'genital pore' on its neck
The southeastern US is seeing a surge in invasive Asian needle ants, whose stings can cause anaphylactic shock
David Attenborough's Birthday: 9 Surprising Facts About the British Naturalist Who Turns 99 Today
Scientists Say T. Rex Could Have Evolved in North America After All
Tracks show pterosaurs were comfortable moving on land during the age of dinosaurs
Do pandas eat anything other than bamboo?
Bone Collector Caterpillar: The Very Hungry Caterpillar of Your Nightmares
Watch cuttlefish 'wave' at each other, which scientists believe may be a way of communicating
Dinosaurs might still be roaming Earth if not for asteroid, study shows
T. rex researchers refute 'misleading' dinosaur skin claim
How related are dire wolves and gray wolves? The answer may surprise you.
Do sharks make noise? A chance discovery may answer that question
