This sort of animal that feeds on carrion is called a "scavenger".
pigs
This has something to do with the way its feeds
There is not a sea animal that breast feeds. A duck has to give birth in the water but does not breast feed.
pellets.
Carnivore
Scavenger
vulture
pellets.
An animal that feeds on carrion, that is refuse or the remains of dead animals is referred to as a scavenger. An example of this type of animal is a vulture or hyena.
lions
Carnivore.