The animal characterized by having feathers is the bird. Birds are warm-blooded vertebrates that possess feathers, which are unique to this class of animals. Feathers serve a variety of purposes, including insulation, camouflage, and most importantly, enabling flight. There are approximately 10,000 species of birds, making them one of the most diverse groups of animals on the planet. Birds are found in a wide range of habitats and exhibit remarkable adaptations to their environments. They play vital roles in ecosystems, such as pollination and seed dispersal.