We’ve seen some weird stuff in our day—living fire, shape shifters—but this one takes the cake. It’s a bunch of people with angel wings. Got an explanation? We don’t have any bird experts on hand that can explain how a person can fly, or a detailed evolutionary theory as to how a bird could develop simian features and populate the globe in a manner identical to Earth Prime.
We’re scientists and adventurers, but we’re not omniscient.