ScienceDaily (Mar. 16, 2011) — From office block windows to power lines and wind turbines, many species of bird are prone to colliding with large human-made objects, many of which appear difficult not to notice to human eyes. A new study recently published in IBIS outlines a new approach to understanding how birds see the world and why they find pylons and turbines so hard to avoid.
http://www.sciencedaily.com/releases/2011/03/110316222022.htm