They also have interesting facts about their tongue. “The Chinese pangolin's tongue is attached near the pelvis and last pair of ribs and, when fully extended, is longer than the animal's head and body” (Claridge 801). The Chinese pangolin's stomach is muscular and has a spine made of keratin to project its interior, crushing and grinding prey (Dickman 86). “The limbs of the [Chinese] pangolin are robust and well adapted for burrowing” (Dickman 86). Each paw has five toes, and the front paws have three long, curved claws used for demolishing termite and ant nests (Dickman 86). They also use their claws to dig burrows for nesting and sleeping (Dickman 86). “They can run surprisingly fast and often stand on their hind limbs to sniff the air” (Dickman 86). Chinese pangolins can also swim. The Chinese pangolin can also have very busy mating seasons (Heath 3). “In late summer or early autumn, male Chinese pangolins can be observed fighting over the opportunity to mate with a female, resulting in the winner and female mating for three to three months. five days” (Heath 3). These solitary mammals are nocturnal and highly secretive, so it's difficult for scientists to do this