Mammals include humans and all other animals that are warm-blooded vertebrates (vertebrates have backbones) with hair. They feed their young with milk and have a more well-developed brain than other types of animals.
Which is the cutest tree-dwelling animal?
Animals & Pets
Dolphin Dinner - Ep. 11
Dusky dolphins use teamwork to herd schools of fish together for easy eating. Watch these dolphins cooperate to earn a fishy feast!