If there are lions being culled to make way for a newcomer, how can the whole pride be under threat of extinction? Apparently there are lions culled inn zoos regularly, according to the article.
That culled lion family were not in the wild, chances are they were all born in captivity, making the zoo(s) even more responsible for those animals until their death. You can hardly compare what happens in the wild in massive areas to existing cubs, to those born and raised in a zoo enclosure less then ~100x100m.
If there are a surplus of captive zoo lions, shouldn't the zoos be preventing reproduction (by sex separation, safe abortion if possible, cull cubs at birth)?
If I had an old fish (eg. one of my ~3.5 year old livebearers), what zoos are doing is effectively condoning me putting that old but alive fish in with my predatory catfish, because the catfish needs the same tank for its long term health.
The real issue here is, I should be a responsible animal keeper and never be in a situation where I have pets with insufficient housing to keep them for life when I buy them. Zoos are not being responsible enough for their animals.