Animals

Insects breathe using tracheae, to which air is supplied through spiracles.

It is very little known about goblin shark reproduction.

Capybaras are very popular on social media.

They are sexually dimorphic.

Some species of octopuses, when attacked by a predator, can discard an arm that crawls along the bottom to distract the predator.

The alligator snapping turtle is the largest freshwater species found in North America.

In the past, basking sharks were known as sea serpents.

Two modern living species can be distinguished within the Hippopotamidae family - Choeropsis liberiensis, called pygmy hippopotamus, native to the forests and swamps of West Africa, and Hippopotamus amphibius, also called common hippopotamus, native to sub-Saharan Africa.

They use chemoreceptors in search of food.

The IUCN lists them as the Least Concern.