Mammalian spines have evolved from modified hairs, made of a fibrous protein called keratin. Technically, a distinction is sometimes made between spines and quills, but in general usage, the two terms ...
It’s covered in spines. It has a prehensile tail, like a monkey. It smells like aggressive BO. It’s the Mexican hairy porcupine. The Mexican hairy porcupine (Coendou mexicanus) is also known as the ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results