Kangaroos are known for their strong hind legs, which they use to move quickly and jump great distances. They are also known for their ability to swim, using their tail as a rudder. Kangaroos are social animals and live in groups called mobs or troops. They communicate with each other through a variety of vocalizations, such as grunts and bellows.
Kangaroos are not considered to be an endangered species, but their population has been affected by hunting, habitat loss, and competition with livestock for food. They have been protected under the National Parks and Wildlife Act since 1967, and conservation efforts have been implemented to protect their population and habitat.
Polar bears are known for their excellent swimming abilities and are able to swim long distances in search of food. They are also known for their thick fur, which keeps them warm in the freezing Arctic temperatures. They are solitary animals and roam large territories. Their communication varies from vocalizations like growls, roars, and barks, and also use body language, scent marking and vocalizations to communicate with each other.
Polar bears are listed as a vulnerable species by the IUCN and are facing serious threats from climate change and habitat loss. The sea ice that they depend on for hunting and breeding is melting at an alarming rate, which is affecting their population. Conservation efforts are underway to try to protect the remaining population and their habitat.