30 Animals That Made Us Smarter

How can we prevent millions of birds from being killed by flying into windows? The solution could rest with spiders. Webs containing UV reflective threads deter birds from colliding with them. With Patrick Aryee.
To see our spider and window glass animation go to: www.bbcworldservice.com/30animals
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Spider and window glass

Spider and window glass | CastVibes

Bat and unassisted flight

How can we prevent millions of birds from being killed by flying into windows? The solution could rest with spiders. Webs containing UV reflective threads deter