TV Contest

[xisu]

TV contest.
Competitors are asked a question and who knows the answer earns $ 1,000.
The question is: Which of these birds does not make its own nest?
1- stork
2- blackbird
3- cuckoo
4- goldfinch
5- hummingbird
6- crow
7- sparrow
Each contestant writes their answer in a page and gives it to the TV presenter.
The blonde is the only one who has answered correctly 'the cuckoo' and she wins $ 1,000.
After the contest, her friends ask the blonde how she knew the correct answer.
It's easy, she replies, the cuckoo doesn't make a nest, he lives in a little wooden house on the wall !!!