They have been our meat and our messengers, a source of fertiliser and a religious symbol: while pigeons are now mostly reviled as dirty city pests, they long played an important role in human society.

They have been our meat and our messengers, a source of fertiliser and a religious symbol: while pigeons are now mostly reviled as dirty city pests, they long played an important…

They have been our meat and our messengers, a source of fertilizer and a religious symbol: While pigeons are now mostly reviled as dirty city pests, they...