scavenge

US /ˈskæv.ɪndʒ/
UK /ˈskæv.ɪndʒ/
"scavenge" picture
1.

search for and collect (anything usable) from discarded waste

:
People often scavenge for food in the dump.
They had to scavenge for parts to repair the old machine.
2.

(of an animal) search for food

:
The bears came out of hibernation to scavenge for berries.
Vultures often scavenge on carrion.