It's a sign of overall environmental health. Passengers capture video of unexpected visit from largest animal on earth — here ...

Tallest giraffe ever recorded was George, a huge Masai male who lived in Chester Zoo in Kenya, who died in 1969. He was 20 ft tall (19ft tall with 1 ft long horns). World’s biggest living giraffe is ...

The world's largest spider web has been found in an underwater cave on the Greece-Albania border, according to a recent ...

Ever wondered which animal is the biggest creature on Earth? The blue whale is the most massive animal in the world! Learn all about this amazing giant of the seas in this fascinating video packed ...

The largest squid species in the world is the colossal squid. Read about where it is found, what it eats, and how big it can ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world.