I don't see why the hostility.
Animal rights groups that let tigers out of zoos or cows out of farms, sure. THAT's stupid.
But I do take sympathy for the sparrow here, although it's obvious that the issue is a little overblown. 'Tree huggers' or not - learn some compassion, will you? There's a distinction between killing something that wants to eat you or something that you want to eat - and killing something over a bunch of dominos.
I'm personally far more amused by people running around killing sparrows over dominos than people making memorials for dead sparrows. Freakin' dominos don't live and breathe.