There are hundreds of species of owls in the world, with varying sizes. But which is the largest owl in the world, and how ...

Few creatures command attention quite like the world’s big cats. From the thunderous roar of a tiger to the silent grace of a ...

You won’t believe just how big some spiders can get! Watch our video spotlighting the ten biggest spiders on earth with some walking on legs over a foot in width.

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 Komodo dragon is one of the most famous reptiles in the world. It is the biggest lizard alive today, and people ...

BELA-BELA, South Africa (AP) — Tuesday is World Elephant Day. Here are five things to know about the largest land animals on our planet. There are three species of elephants: the African savanna or ...

When it comes to pure, raw power in the natural world, the debate over which creature is the strongest animal is a heated one ...

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