The blue whale is the biggest animal that ever lived. That is true as of November 2026. It is bigger than any dinosaur known.

A blue whale can be about 100 feet long. A baby blue whale is already about 23 to 25 feet long.

A blue whale can weigh 150 to 200 tons. It weighs many times more than an elephant. An elephant is the biggest land animal, as of November 2026.

The giant eats tiny, shrimp-like animals. They are called krill. Its meals are small.

The whale shark is the biggest fish. That is true as of November 2026. It is a shark, which is a fish. It is not a whale.

The whale shark eats very small food. It filters plankton and small fish out of the water.

The ostrich is the biggest bird. That is true as of November 2026. It has wings but cannot fly. It runs instead. It can be 9 feet tall.

The giraffe is the tallest of all. That is true as of November 2026. It has seven neck bones, like you.

The legs of a giraffe are about 6 feet long. That is taller than many people.

The Komodo dragon is the largest living lizard. That is true as of November 2026.

Words to know

• krill: tiny animals
• filters: strains out
• plankton: tiny sea life
• dinosaur: giant reptile