For recordings of bird songs, call 612-673-7800, and when prompted press the following four-digit numbers:
1211 Canada goose
1212 Eastern bluebird
1213 long-billed dowitcher
1214 piping plover
1215 ruby-crowned kinglet
Recordings from the Library of Natural Sounds, Cornell Laboratory of Ornithology. Try the lab's website: www.birds.cornell.edu.
