Urban trees help bird migration

[peteyt]

saw this on the BBC the other day - haven't seen it anywhere else yet - thought folks here would appreciate:

a study by landscape ecologists at Ohio State University concluded that:

Urban Trees 'help migrating birds'

http://news.bbc.co.uk/2/hi/science_and_environment/10130458.stm

spread the bird - oh, i mean word!
pete