Lassie Come Home
A dog (not Lassie) is killed while defending her owner from thieves.
An offscreen pig is shot and killed.
Leafie, a Hen Into the Wild
Animated. There are implications of animal cruelty and bad conditions in the egg farm. Leafie pretends to be dead at the beginning. Wanderer the wild duck and his mate are both killed by the one-eyed weasel. Greenie the duck is believed to be dead for a moment, but survives. Leafie is eaten by the weasel at the end of the film.
Left Behind (2014)
A dog, still wearing its leash, is seen whining next to an empty pile of clothes on the sidewalk. We don't see any harm come to it.
Legally Blonde 2: Red, White & Blonde
Many dogs appear in this film but none die. One dog is seen at an animal testing facility but we do not see her harmed and by the end of the film she has been rescued.
Lethal Weapon 3
A cat is saved from an explosion. A man charms a ferocious guard dog and it later escapes the villains with him.
A mouse dies fairly soon in movie. The scene shows it dying slowly in an extreme method.
Life of Pi
We see a zebra, an orangutan and a hyena die but not the tiger.
Lilo & Stitch
Animated. At one point Stitch, an alien, is run over by a truck. Since he's indestructible, he survives that and other violent situations without being harmed.
Little Big Soldier
A horse is injured, ridden until it collapses and then put out of its misery with a knife.
A cat eats a lizard. The Heimlich Maneuver is performed on the cat and it spits out the lizard, alive and unharmed.
Dog dies from eating poisoned bait meant for a fox.
An injured rabbit is rescued after being hit by a car only to be cooked and served to its rescuers.
After being pulled over, the man's dog sees how nervous he is and tries to go to him but the officer shoots and kills the dog.
Some horses escape their trailer and run around on a busy highway. They all survive unharmed. A dog appears with a man that is fishing. Lora steals the man's car but the fate of the dog is not shown.
A duck has a close call with a knife due to a misunderstanding but emerges unharmed. Also not hurt is a herd of goats that is featured heavily in one scene.