S. American Mammal Similar to a Big Guinea Pig
This page is the CodyCross answer for the clue below from Underground Worlds, Group 2162, Puzzle 5 (Basalt Lava Tubes).
Question is: S. American Mammal Similar to a Big Guinea Pig
and the answer is: CAPYBARA
Word Meaning:
CAPYBARA — A large semi-aquatic South American rodent of the genus Hydrochoerus.
Definitions from Wiktionary.