Natural History Wanderings

The New York Times reports

Every year, hundreds of millions of birds die in the United States from flying into glass. Combined with other pressures such as habitat lost to development, climate change and hunting by cats, birds have suffered staggering losses in net population. Since 1970, nearly three billion birds have disappeared from the United States and Canada, scientists have found.

Treating windows to make them more visible to birds is one way to help. Researchers and manufacturers have long assumed that these products were more effective on the outside. But placing them there often requires ladders or even scaffolding, so sometimes people just put them on the inside and hope for the best.

Read full article at  Window Stickers to Prevent Bird Strikes Only Work One Way – The New York Times