The pigeon (Columba livia), also called a rock dove, is a stout-bodied bird with a fleshy beak and large wings. There are between 310-352 pigeon species distributed worldwide. Many are native to the ...

When you look at a pigeon, you might see a dirty, rat-like bird that fouls anything it touches with feathers or feces, but I see a waste-scavenging, protein-generating biomachine. At a time when ...