The North American Ruddy Ducks have become an invasive species in Great Brittan. They threaten the white-headed ducks who are native to great brittan. The two species compete for nesting grounds in the same area (1).

Manatees are one of many endangered species. Manatees are becoming extinct because of: human impacts, habitat loss, disease, pollution, and their slow reproductive rate. Manatees are harmed by humans in their boats going over their territories which ties in with the habitat loss. If the water is too cold for the manatees it affects their health and can make them very sick. Female manatees are not sexually mature until the age of 5 while males are not sexually mature until 9. It takes a couple of years for a Manatees to reproduce (2).

Gopher Tortoise are known as keystone species because oh the burrows they dig. This animal can dig a burrow up to 15 feet. Many animals find these burrows and are able to make a home out of them. The Gopher Tortoise is a great factor in creating homes for other animals (3).

Polar Bears coolest adaptation is their big paws. The paws on the polar bear help them keep their weight evenly distributed while walking on thin ice looking for seals and other animals to hunt (4)

The Arctic Hare's fur changes color with the seasons. When its is snowing the Arctic hare's fur is white and blends in with the snow. This helps it hide from its predators. The hare's fur also changes colors in different seasons. The Hare's fur is mostly brown throughout the other seasons though. The changing colors of the Arctic hare's fur could be considered camouflage, since it tends to change and blend in with the colors of the season surrounding it.(5)