What is PETA’s position on euthanasia?

Every day in the United States, tens of thousands of puppies and kittens are born. Compare this to the nearly 11,000 human births each day, and it’s clear that there can never be enough homes for all these animals. Shelters are stuck with the heartrending job of dealing with animals nobody wants. Those who refuse to spay and neuter their animals, who abandon animals when they grow tired of them, and who patronize pet shops instead of adopting stray or shelter animals make euthanasia a tragic necessity.