His victims, if they were to dine fine, would choose hemp seed, and I admit, I have fed this to them within yards of Nelson's column...on one occasion, after gluttonously feeding on my stash of Cannabis sativa, one flew up directly above. I looked up expecting thanks, and he returned my gaze, and with it, a stream of mute. Splat. No wonder Leonardo da Vinci writes that they are ungrateful creatures.
Nonetheless, I would rather see them in the square. They have squatters' rights and it is wrong to evict them. I say let them eat hemp!