Western __ Gorilla; Senior Males Are Silverbacks
This page is the CodyCross answer for the clue below from Futuristic City , Group 996, Puzzle 2 (Carbon Dioxide Catcher).
Question is: Western __ Gorilla; Senior Males Are Silverbacks
and the answer is: LOWLAND
Word Meaning:
LOWLAND — An area which is considered particularly low or lower than surrounding areas.
Definitions from Wiktionary.