pa·ca 
(päkə, păkə)
(päkə, păkə)n.
Either of two nocturnal burrowing rodents of the genus Cuniculus of South and Central America, C. paca, found in lowland forested regions, or C. taczanowskii, found at higher elevations.
[Portuguese and American Spanish, both from Tupí páca.]
pacaspotted paca
Cuniculus paca