Animal Rescue: Food is a side mission in Borderlands 2
Turn in: Dukino
If you give a skag some medicine, it's going to want some food
After healing the hungry skag's wounds, you discover that he was starving as well. Maybe you could fill his belly with some chow.
Go east on Main Street and climb up the stairs up the mountains surrounding Lynchwood. Find the Armored Skags and shoot them in the mouth to get their tongues. Once you have gotten five Skag Tongues, return to Dukino.
Strategy Guide - Tips - Cheats
Corrosive weapon works best against the Armored Skags