For recordings of bird songs, call 612-673-7800, and when prompted press the following four-digit numbers:
1206 American robin
1207 field sparrow
1208 least flycatcher
1209 red-winged blackbird
1210 warbling vireo
1211 Western meadowlark
Recordings from the Library of Natural Sounds, Cornell Laboratory of Ornithology. Try the lab's website: www.birds.cornell.edu.
