We also find that, in general, killing a youngling of an animal is less morally acceptable than killing the adult animal. For example,

Killing a puppy is less morally acceptable than Killing a dog

Killing a kitten is less morally acceptable than Killing a cat

Killing a joey is less morally acceptable than Killing a kangaroo

Killing a calf is less morally acceptable than Killing a cow

Killing a cub is less morally acceptable than Killing a tiger

Killing a fawn is less morally acceptable than Killing a deer

Killing a foal is less morally acceptable than Killing a horse

Killing a duckling is less morally acceptable than Killing a duck

Killing an owlet is less morally acceptable than Killing a owl

Killing a squab is less morally acceptable than Killing an pigeon

Killing a poult is less morally acceptable than Killing a turkey

Killing a chick is less morally acceptable than Killing a chicken