For recordings of bird songs, call the following numbers. Press 9 to repeat the recording.
612-573-5600 black-capped chickadee
612-573-5616 downy woodpecker
612-573-5689 hairy woodpecker
612-573-5609 house finch
612-573-5620 white-breasted nuthatch
Recordings from the Library of Natural Sounds, Cornell Laboratory of Ornithology. Try the lab's website: www.birds.cornell.edu.