Animals Facts

Blue Whale

The blue whale is the largest animal in the world; it's about 100 feet long and 200 tons in weight. The blue whale is a mammal its heart weighs about 180 kg.

Kangaroo Rat

Kangaroo rats die immediately after they drink water. These rats get water for metabolism from the seeds they eat and are found in parts of North America.

Octopus

Octopuses' blood is blue in color because it contains a protein named hemocyanin, which carries oxygen around the body it contains copper rather than iron like we have in our hemoglobin.

Cockroach

A cockroach can live without its head for a week, a headless cockroach has no mouth to drink, and will be dead from dehydration within a week somewhere around 7 days or less.

Pig

A pig cannot physically see towards the sky. It's physically impossible for pigs to look straight up to the sky, because of their neck muscles and the spine that limits the movement of their head and restricts them to look upwards.

Tuatara

Tuatara has three eyes, and it's found only in New Zealand. The third eye comes from a gland attached to the brain.

Earthworm

The earthworm has five hearts. The earthworm is the most common animal with multiple hearts; these decomposers can be found everywhere.

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