When a human being in need of rescuing crosses our path, we will take action – at least if there’s little or no risk for ourselves. With animals, we don’t have this sense of moral obligation. Especially wild animals seem to belong to a different world, in which we should not interfere. But why not?

http://veganstrategist.org/2016/06/01/the-extremely-inconvenient-truth-of-wild-animal-suffering/