For recordings of bird songs, call 612-673-7800, and when prompted press the following four-digit numbers:
Bird song recordings
October 28, 2008 at 5:25PM
1221 barn owl
1222 common loon
1223 ruby-throated hummingbird
1224 gray catbird
Recordings from the Library of Natural Sounds, Cornell Laboratory of Ornithology. www.birds.cornell.edu.
