An iceberg is a large piece of freshwater ice that has broken off a glacier or an ice shelf and is floating freely in open (salt) water.
Snakes are found on every continent except Antarctica, and on most smaller land masses.
Polar bears are a species of bear that lives in the Arctic sea ice.
Penguins are a group of flightless birds that are mainly considered to be aquatic animals.
Seals are mammals that spend relatively less time on the land than they do in the water.