If by coverings you mean its "clothing", then...
different animals live in different enviornments, which require them to live in different places and survive in different ways. one of the most common ways that an animal survives is by camoflouge-I hope you know what camoflouge means, if not, look it up!
Eagle, Sparrow and Kingfisher.(all birds)
Body Coverings
feathers
Yes! All invertebrates have hard outer body coverings to keep them in shape. But birds don't have hard outer body coverings. So they are vertebrates!
Because different animals, birds and other creature live there.These are the sounds of different animals
With different kind of animals example like birds with birds
They use outer coverings to protect themselves from injuries, cold temperatures etc.
To make them feel confident.
Animals without backbones, such as insects, crustaceans, and mollusks, can grow coverings like exoskeletons or shells. These hard outer coverings help protect and support their bodies, allowing them to thrive in various environments.
Birds is one of them
Some different species of birds
Muscles attached to the outer coverings in someinvertebrates contract and relax to helpthe animals move.