For recordings of bird songs, call the following numbers. Press 9 to repeat the recording.
612-573-5650: Baltimore oriole
612-573-5728: blue grosbeak
612-573-5648: indigo bunting
612-573-5619: scarlet tanager
Recordings from the Library of Natural Sounds, Cornell Laboratory of Ornithology. Try the lab's website: www.birds.cornell.edu.