The beluga whale is a mammal of the genus Beluga in the family Cetidae, also known as the Beruka whale or the sea canary. White whales are roughly distributed around the Arctic region, with the vast majority living in the waters north of Europe, Alaska, and Canada. It is a highly social animal with a tight grouping structure, usually grouped by peers and the same sex, and there are also smaller mother son pairs. Beluga whales are known for their varied calls and rich facial expressions. Whales have enormous economic value. Since the 17th century, the hunting of white whales by whalers has led to a sharp decline in their population and has been recognized as CITES by the Washington Convention Organization. White whales are second-class protected animals in China.

The beluga whale is a mammal of the genus Beluga in the family Cetidae, also known as the Beruka whale or the sea canary. White whales are roughly distributed around the Arctic region, with the vast majority living in the waters north of Europe, Alaska, and Canada. It is a highly social animal with a tight grouping structure, usually grouped by peers and the same sex, and there are also smaller mother son pairs. Beluga whales are known for their varied calls and rich facial expressions. Whales have enormous economic value. Since the 17th century, the hunting of white whales by whalers has led to a sharp decline in their population and has been recognized as CITES by the Washington Convention Organization. White whales are second-class protected animals in China.

The beluga whale is a mammal of the genus Beluga in the family Cetidae, also known as the Beruka whale or the sea canary. White whales are roughly distributed around the Arctic region, with the vast majority living in the waters north of Europe, Alaska, and Canada. It is a highly social animal with a tight grouping structure, usually grouped by peers and the same sex, and there are also smaller mother son pairs. Beluga whales are known for their varied calls and rich facial expressions. Whales have enormous economic value. Since the 17th century, the hunting of white whales by whalers has led to a sharp decline in their population and has been recognized as CITES by the Washington Convention Organization. White whales are second-class protected animals in China.

It is a genus of elephants in the family Elephantidae, named by Baron Georges Cuvier in 1825. African elephants are the largest mammals on land, with males and females exhibiting a binary sex. Adult African male elephants are taller than 3.5 meters and can reach a maximum height of 4.1 meters. The weight is approximately 2.7 to 6 tons, with females being smaller than males and the heaviest recorded being 13.5 tons. Their longest recorded tooth weighs 102.7 kilograms. Countless African elephants have been killed because of their ivory. African elephants are listed in Appendix I of the IUCN Red List of Threatened Species (CITES).