LOOK WITH YOUR EARS
Most birds have both songs and calls; complex songs are used to defend territory and attract mates, while calls are very simple. Bird watchers use catchphrases – known as mnemonics - to memorize bird songs.
Red-shouldered hawk - kee-ahh, kee-ahh
Blue jays - queedle, queedle, queedle
Red-winged blackbird - conk-la-reeeeee
American robin - cheer-up, cheer-a-lee, cheer-ee-o
Marsh wren - teakettle, teakettle, teakettle
Common yellow-throat - witchety, witchety, witchety