Birds and light pollution

to enlighten, feathered friends, Smithsonian Migratory Bird Center, perilous journeys, death trap, glass fronted buildings, migratory routes, endangered, songbirds, to lure, nocturnal creatures, death toll, peak migration periods, patent glass, habitat, magnitude, urbanisation, relentlessly, easier said than done

this speech is longer than usual for beginners, but the subject is very well known and the pace is very easy to follow. Feel free to cut it in two parts if necessary.