Birds crashing into your windows can be disturbing for both you and your feathered friends. To prevent this, check out these ...

Every year, millions of birds die after flying into windows, and understanding the reasons behind this behavior is the first step toward prevention. To humans, windows appear as clear barriers ...

The enzyme that converts the carotenoids from the birds’ diet into the red that is seen on feathers was likely not present. “At least in the individual they studied, they also identified some ...

The enzyme that converts the carotenoids from the birds’ diet into the red that is seen on feathers was likely not present.