For recordings of bird songs, call 612-673-7800, and when prompted press the following four-digit numbers:
1207 greater yellowlegs
1208 house wren
1209 olive-sided flycatcher
1210 sanderling
1211 tufted titmouse
Recordings from the Library of Natural Sounds, Cornell Laboratory of Ornithology. Try the lab's website: www.birds.cornell.edu.
