"birds"is pretty broad. some do. many eat seeds.
The birds will eat the snails before the snails eat the lettuces
rabbits, monkeys, birds, pigs, dogs will eat lettuce, deer maybe would eat lettuce, and many other animals. Some animals will eat lettuce but it doesn't mean it is their main food to give them nutrients they need to survive.
They eat fish that are salmon and they eat the birds that fly around anyway they eat lettuce and ather kind of foods
Lettuce
Yes, a mule can eat iceberg lettuce.
You can eat wilted lettuce. However, you should make sure that the lettuce does not have mold and does not feel slimy.
These are some animals which eat lettuce; rabbits, monkeys, birds, pigs, dogs will eat lettuce, deer maybe would eat lettuce, and many other animals. Some animals will eat lettuce but it doesn't mean it is their main food to give them nutrients they need to survive.
Tadpoles eat Boiled Lettuce leaves but the lettuce must be iceberg!! the eat bugs'
Many animals, including insects and mammals, eat leaves. People eat leaves, such as lettuce, parsley, and spinach leaves.
Goldfish do eat water lettuce as part of their diet.
Small turtles can eat both boiled and plain lettuce. Boiling lettuce makes the lettuce softer, therefore making it easier for smaller turtles to eat.
Iceberg lettuce is quite delicious.