* Birds: Birds are the most common animals that live in the atmosphere. They have evolved to fly, and their wings allow them to soar through the air.
* Insects: Insects are another common type of animal that lives in the atmosphere. They are very diverse, and there are many different species that live in a variety of habitats.
* Bats: Bats are the only mammals that can fly. They have wings made of skin and bone, and they are able to navigate through the air using echolocation.
* Spiders: Spiders are not insects, but they are also found in the atmosphere. Some spiders can fly, while others use their webs to catch prey.
* Flying fish: Flying fish are fish that have evolved to glide through the air. They have large pectoral fins that they use to propel themselves out of the water and into the air.
* Flying squirrels: Flying squirrels are rodents that have evolved to glide through the air. They have flaps of skin between their legs that they use to extend their jumps and glide through the air.