I also have a soft spot for the little zoo on the Isle of Wight which doesn't breed anything, but which is essentially a retirement home for unwanted exotics. They've got a jaguar rescued from a drug dealer, a raccoon rescued from someone's conservatory, and a pair of white lions, and other big cats that can't be bred from, or are the result of other institutions' irresponsible breeding. They treat the animals well, and support conservation efforts abroad.
Sadly, there will always have to be rescues for exoctic or endangered creatures...Will Travers pointed out there is a vast, vast difference between, deliberately bredding animals in captivity, when they are unlikely to ever be freed, and simply rescuing animals from a life of shit at the hands of a wealthy Sheikh, or a drug dealer, or some stupid millionaire who thinks a tiger cub would make a cute pet.
The problem is with a lot of conservation breeding in zoos, is that many, many animals will never live anywhere but a shitty unnatural enclosure.
THe conservation money spent in zoos would be far, far better spent (and go a lot further) on developing conservation and protection programs in native environments, and on stopping things like wildlife poaching and habitat destruction.
And I hate the arguement of "but the kids will never see a lion in RL"...
No they won't, but being able to see a miserable and distressed lion means absolutely fuck all if there are none in the wild, does it??
They become reduced to sad living museum exhibits, while we merrily destroy the natural world, "cos it's alright innit? At least they're alive in zoos." 