The ostrich egg cell is among the largest single animal cell which is about 6 in or 15 cm long and weighs about 3 lbs or 1.4 kg.

 

An adult octopus can squeeze into small crevices. Some can even escape through a hole the size of a coin.

A chameleon has a tongue that is roughly twice the length of its body.

The fastest bird is the peregrine falcon with a dive speed of more than 200 miles per hour.

 

The largest egg laid by a living bird is that of the common ostrich of Africa. It is 6 to 8 inches (15 to 20 centimetres)in length and 4 to 6 inches (10 to 15 centimetres) in diameter.

 

The bee humingbird lays the smallest eggs of any bird on Earth. The eggs are about the size of a coffee bean or a garden pea, reportedly weighing 0.4g (0.014 oz). The bee hummingbird is also the world’s smallest bird. The females weigh about 2.6 g (0.092 oz) and are 6.1 cm (2.4 in) long with the males weighing at 1.95g (0.069 oz) and 5.5 cm (2.2 in) long.

While mainly for acquiring food, chimpanzees use tools more than any other animal except humans.

Vultures can soar for hours without flapping a wing.

 

A hummingbird can fly forwards, hover, and are the only known birds to fly backwards as well.

An octopus has three hearts and blue blood which is a result of hemocyanin, a copper-based protein in its blood.

Locusts can eat their own weight in food in a day.

The praying mantis is the only insect that can turn its head and look behind its shoulders.

A snail can hibernate up to three years and can live up to fifteen years.

Crocodiles swallow stones to help grind up the food in their stomachs.

 

Fleas can jump more than 100 times their height.

The common goldfish has one of the rare abilities to see both infrared and ultraviolet light.