For recordings of bird songs, call 612-673-7800, and when prompted press the following four-digit numbers:

1213 black-billed cuckoo

1214 boreal owl

1215 Eastern screech owl

1216 great crested flycatcher

1217 great horned owl

1218 long-eared owl

1219 Northern saw-whet owl

Recordings from the Library of Natural Sounds, Cornell Laboratory of Ornithology. Try the lab's website: