Is there anything we can do about animal suffering in wildlife? There was a time when many said that nothing should be done to obviate human suffering, since attempts to establish a welfare state would either be in vain, jeopardise what kind of welfare there happens to exist, or produce perverse (even worse) results. We rarely meet with that reaction any more. However, many seem to be ready to argue that wildlife constitutes such a complex system of ecological balances that any attempt to interfere must produce no good results, put into jeopardy whatever ecological ‘balances’ there happen to exist, or perversely make the situation even worse. This is not the place to settle whether they are right or not, but, certainly, there must exist some measures we could take, if we bothered to do so, rendering wildlife at least slightly less terrible. If this were so, we should do so, according to utilitarianism.
Torbjörn Tännsjö, Taking Life: Three Theories on the Ethics of Killing, Oxford, 2015, pp. 260-261