Wow, this is also a gentle animals I see here in the internet. I do not see this in real life but am sure it is great. The beaver is a primarily nocturnal, large, semi-aquatic rodent. It is belong to animalia kingdom and chordata phylum. The beaver animals beling to mammalia class and castoridae family. Beaver reach to about 30-60 cm and weight 27 kg. How can you identify a beaver animals? They have dark brown fur, their feet are webbed and have dense. Beaver are the second largest rodent in the world and they are known for building dams, lodges and canals. Wow bad news, beaver has powerful front teeth and they use their teeth to cut tress and plantd that they use for building and for food. Be careful about beaver, guard your valued plants and fruits. Beaver are good swimmers but they are slow on land. They can stay under water for as long as 15 minutes. I am glad there is no beaver here in my country. I think because they live in cold climate. Beaver has poor eyesight but keen senses of hearing, touch and smell. Beaver live up for about 24 years of age in the wild. I hope snake live shorter in the world, I hate snake whether poisonous or not. Beaver works as keystone species in an ecosystem by creating wetlands that are used by many other species. There nothing to wonder why beaver love to cut trees, they eat trees plus they use the trees for dams to protect themselves against predators, such as wolves,lynxes, weasels, large birds, foxes bears and coyote. Beavers often modify their natural environment by building dams, and are therefore considered as pests or invasive species in some places. The beaver are active at night and they rise when sunset and sleep when sunrise. Sound like they are night animals.