For recordings of bird songs, call the following numbers. Press 9 to repeat the recording.
612-573-5646: American crow
612-573-5694: brown creeper
612-573-5616: downy woodpecker
612-573-5698: red-breasted nuthatch
Recordings from the Library of Natural Sounds, Cornell Laboratory of Ornithology. Try the lab's website: www.birds.cornell.edu.