"Cats: 365 million to 1 billion"
I can believe it. A month ago in one week, my two cats brought an assortment of catches to our backyard deck, of birds, snakes, gophers and mice. I wondered how they caught birds until I saw them make a run at a tree, climbing the tree trunk and branches to go after birds high up in the tree.
WE may end up with a birdless world