I've done it lots of times." "Try now--do, Rap, and see if they will answer," begged Dodo.
"It's too open out here, but I will go back of the trees and perhaps they will answer.

I heard one whistling in there a minute ago." The children listened, and presently "whee-ewee, whee-ewee," came two high notes from among the trees.

They were answered by two others, very musical, but a little bit sad.

So the duet went on, boy and bird, until Dodo and Nat lost count and could not tell which was which.

Then the music stopped and Rap returned laughing, saying that when the Chickadee found out it was not another bird that he was calling to, he was vexed and flew away.
"Some Chickadees lived around our house all last winter," continued Rap, "and used to eat out of the chickens' dish.