For recordings of bird songs, call 612-673-7800, and when prompted press the following four-digit numbers:
1201 American robin
1202 blue jay
1203 fox sparrow
1204 lark sparrow
1205 Lincoln's sparrow
1206 white-crowned sparrow
Recordings from the Library of Natural Sounds, Cornell Laboratory of Ornithology. Try the lab's website: www.birds.cornell.edu.
