Renewable Energy

Outdoor cats wreak havoc with birds

Every four years, ornithologists from Canada to Mexico gather for the North American Ornithological Conference, which was just held in Washington, D.C. There were 2,000 attendees, of which 20, or 1% of the entire conference, were current or former William & Mary students.

Several research topics dominated the conference, the theme of which was "Bringing Science and Conservation Together."

A very active research area is the devastating effect of outdoor cats on birds. One speaker declared that after a decade of effort on the subject, no further research is necessary. The data show that over a billion birds a year are killed by cats in North America. One...