The Javan Rhinoceros is one of the most critically endangered species in the world, with only around 60 individuals remaining in the wild, all confined to a single national park in Indonesia.

Habitat loss due to deforestation and conversion of natural forests to agricultural land is the primary cause of the decline of the Sumatran Tiger.

The Bottlenose Dolphin is not considered to be endangered, although some populations may be threatened by habitat loss and pollution.

Habitat loss due to deforestation and conversion of natural forests to agricultural land is the main threat to the survival of the Mountain Gorilla.

The Arctic Tern is known for its long migrations, traveling from the Arctic to the Antarctic and back each year. Climate change is threatening its migration routes and breeding grounds.

Poaching for its horn is the primary cause of the decline of the Black Rhino.

The Honeybee is not considered to be a keystone species, although it plays an important role in pollination.

Habitat loss due to deforestation and conversion of natural forests to agricultural land is the main threat to the survival of the Giant Panda.

Dolphins are known for their unique ability to echolocate, using sound waves to navigate and find prey.

Habitat loss due to deforestation and conversion of natural forests to agricultural land is the primary cause of the decline of the Amur Leopard.

Lemurs are not considered to be a threatened species, although some species may be vulnerable or endangered.

Habitat loss due to deforestation and conversion of natural forests to agricultural land is the main threat to the survival of the Snow Leopard.

The Greenland Shark is known for its long lifespan, estimated to be over 400 years, and its slow reproductive rate, with females reaching sexual maturity at around 150 years of age.

Poaching for its ivory is the primary cause of the decline of the African Elephant.

The Polar Bear is not considered to be a marine mammal, although it spends a significant amount of time in the Arctic sea ice.