Full Idea
It is easy to remove the risk of suffering from an animal's life, but the result is not a life which an animal should lead.
Gist of Idea
We can easily remove the risk of suffering from an animal's life, but we shouldn't do it
Source
Roger Scruton (Animal Rights and Wrongs [1996], p.44)
Book Reference
Scruton,Roger: 'Animal Rights and Wrongs' [Demos 1996], p.44
A Reaction
I'm not clear where the "should" derives from here. You can't save them all, and large interventions would destroy the ecosystem. But should we never, say, put a victim out of its misery?