Bat Conservation Trust on Twitter: "The current bat gantries and green bridges have limited use. Barbastelles only foraged on either side of the "green bridge". More vegetated areas and shorter open areas
Surveying Illinois bridges for bats | Illinois
BBC Radio 4 - Saving Species, Series 3, Episode 2, Bats - Bat Gantry
BBC Radio 4 - Saving Species, Series 3, Episode 2, Bats - Bat Gantry