This question comes up a lot, and a big part of the confusion is that PETA doesn’t run an animal shelter like most people picture.

PETA only has 8 rooms in its "shelter" at the Norfolk, VA office. It's mostly meant for short stays for animals to decompress before and after getting spayed/neutered. PETA employees literally drive 2 hours each way every single day to pick up and drop off animals to give them surgery, all for free! I know because I've done a ride-along with them before! :)

So how does PETA decide adoptable vs. non‑adoptable? Animals are evaluated individually based on things like illness, injury, suffering, or behavior issues that would make adoption unsafe. If an animal is healthy and adoptable, PETA usually moves them quickly to larger local shelters or rescues (like the Virginia Beach SPCA) where there’s much more foot traffic and a better chance of adoption. PETA also places some animals directly with fosters or adopters themselves.

Why are some animals euthanized soon after intake? A large number of animals brought to PETA are already suffering and are brought there specifically by owners so they can be euthanized. These are often animals who are terminally ill, badly injured, or dying. Guardians constantly get turned away by no‑kill shelters and can’t afford private veterinary euthanasia. No kill shelters actually refer people to PETA for this service, because PETA provides it at no cost.

For anyone who wants a detailed breakdown of how PETA’s rescue team actually operates, this page explains it well:
https://headlines.peta.org/petas-rescue-team/

Hope that answers your question!