Objective: Learn to identify birds by their song.

Which of the following solutions is more sound in terms of naive physics reasoning?

OPT: [+] Go outside and listen to the birds sing. Pick out one tune you would like to identify. Try to see the bird making the noise. Look it up in a bird book or try you tube. Keep practicing! [+] Go outside and listen to the birds sing. Pick out one tune you would like to identify. Try to see the bird making the noise. Learn to make the song or whistle. Keep practicing, then ask an expert what bird it is.
Go outside and listen to the birds sing. Pick out one tune you would like to identify. Try to see the bird making the noise. Look it up in a bird book or try you tube. Keep practicing!