Seuss story. But seeing one of these enormous birds up close? That’s an entirely different experience. Just ask the cyclist in this video from the Cape Argus Tour. They were cycling along ...

but it doesn't eat birds often enough to warrant the name. That said, at least half of the Goliath birdeater's name is accurate because it's a real giant. It's the world's largest spider — and the ...

An intact, fossilized specimen of the world’s largest egg—of any known species ever on Earth—entered the National Geographic Society's collection in 1967. The elephant bird belongs to a ...