Hear the birds

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

1232 American robin

1231 black-capped chickadee

1230 Eastern bluebird

1229 house wren

1228 tree swallow

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