From Maine coons to Siberian tigers, these are the big boys and girls of the animal kingdom put into perspective.

Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the biggest animal that has ever existed. Whales can be found in every ocean, ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. When we think about the scope of our world’s diversity, ...

Before scientists shed light on what they were, teeth that washed up on ocean shores were often mistaken for dragon teeth. It ...

In the animal kingdom, the creatures with the biggest hearts – relative to their size – are often the tiniest among us.

Humans are believed to be superior to animals in various ways. We are known to have better mental capacity, use complex symbolic language, and have moral and self-awareness. However, animals can also ...

Whale sharks rank 8th on our list of biggest animals in the world found alive. They hold the title of the largest fish in the world. While the word shark and its looks might awaken different thoughts, ...

You would think that a spider with legs over a foot wide is the stuff of fiction or nightmares. No, these massive spiders ...

The Quetzalcoatlus northropi was the largest flying animal that ever lived. The huge pterosaur existed during the Late ...

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 ...