Two recent scientific studies estimate that billions of birds die from collisions with sheet glass each year in the U.S. alone.

How to stop birds flying into windows – and whether those predator stickers actually work - ANALYSIS: Windows are the top ...

Cats aren’t the only bird hazard around your home. More than 1 billion birds die each year from hitting windows, often during migration.

The location, shape and construction of a nest is as good a way to identify a species as is feather colour or song is to another birdwatcher, says columnist ...