For recordings of bird songs, call 612-673-7800, and when prompted press the following four-digit numbers:
1227 hermit thrush
1228 Louisiana waterthrush
1229 mourning dove
1230 Northern mockingbird
1231 whimbrel
1232 worm-eating warbler
Recordings from the Library of Natural Sounds, Cornell Laboratory of Ornithology. Try the lab's website: www.birds.cornell.edu.
