Coendou longicaudatus (Amazonian Long-tailed Porcupine)
Porcupine species of the subgenus Coendou have thick quills; the quills of the dorsal crest are flexible, the ventral pelage is coarse, and the quills on the tail are tricolored or bicolored. Apart from quill coloration, the clearest difference between subgenera is the ventral pelage, which is…
