The ocean is an average of 3.2km deep. Humans know of about 245,000 marine species. The most common sea animals are those without a backbone, such as jellyfish and shrimp. There are thousands of ...

These eagles are believed to breed only in far eastern Russia, along the coasts and surrounding islands of the Sea of Okhotsk and Bering Sea. They are most common on the Kamchatka Peninsula.