For recordings of bird songs, call 612-673-7800, and when prompted press the following four-digit numbers:
1212 American goldfinch
1213 black-capped chickadee
1214 mallard
1215 Townsend's solitaire
1216 tundra swan
Recordings from the Library of Natural Sounds, Cornell Laboratory of Ornithology. Try the lab's website: www.birds.cornell.edu.
