Thornton W. Burgess,
The Burgess Bird Book for Children
“ It was quite unlike any voice Peter had heard that spring. “That's Cuckoo,” said Kitty. “Do you mean to say you don't know Cuckoo?” “Of course I know him,” retorted Peter. “I had forgotten the sound of his voice, that's all. Tell me, Kitty, is it true that Mrs. Cuckoo is no better than Sally Sly the Cowbird and goes about laying her eggs in the nests of other birds? I've heard that said of her.” “There isn't a word of truth in it,” declared Kitty emphatically. “She builds a nest, such as it is, which isn't much, and she looks after her own children. ”
