Squirrels protect themselves by running, hiding and fighting. Fighting, such as scratching and biting, is usually a last-ditch effort for squirrels. Running and even camouflaging themselves are their first instincts when faced with possible danger.Know More
According to Welcome Wildlife, squirrels run and even swim when evading pursuers. At other times, they remain perfectly motionless and camouflage themselves against the bark of trees. Squirrels also like to keep objects such as tree trunks between them and danger. Because trees are so important to their natural defenses, squirrels hunt and build nests in them.
Some species of squirrel are more aggressive than others. For instance, the red squirrels of Minnesota are more likely to fight off attackers if they must. This aggressive behavior extends to other squirrels even of the same species. They're fiercely territorial, and each squirrel has its own acre or two of space.
The California ground squirrel, on the other hand, developed specific protective techniques through evolution and adaptation. This species is immune to the venom of the Northern Pacific rattlesnake, its neighbor and natural predator. This species also signals with its tail, called a tail-flag, in order to warn off the snake and let the snake know that it knows the snake is there.Learn more about Rodents
Red squirrels have been classified as an endangered species because their numbers have declined due to the spread of the North American grey squirrel that brings the virus parapox, which is deadly to native red squirrels, according to the Young People's Trust for the Environment. Moreover, larger grey squirrels directly compete with them for food and nesting sites.Full Answer >
It is not known exactly how many giant armadillos remain on Earth. The species is endangered, and the population of these creatures has declined by 30 to 50 percent in the last few decades.Full Answer >
A pregnant mouse has a noticeable bulge in the center of its body that causes a pear-shaped appearance. The number of babies the mouse is carrying determines when the growing abdomen is noticeable. By the 14th day of pregnancy, pronounced nipples develop on the mouse's underbelly.Full Answer >
A baby rat is called a pup. Sometimes they are also referred to as pinkies. The rat gestation period last 21 to 23 days, and the entire labor and birthing process only lasts about two hours.Full Answer >