Windows may kill up to 988 million birds a year in the United States

Single-family homes and low-rise buildings do much more damage than skyscrapers

FLIGHT RISK  The painted bunting (left) and Canada warbler (right) are among the birds that may be especially vulnerable to smashing into windows, finds a new analysis of bird deaths from collisions with buildings.

Craig ONeal/Flickr, Jeremy Meyer/Flickr

Between 365 million and 988 million birds die from crashing into windows in the United States each year, according to the latest estimate.