qT=2&tQ=Which bird uses other birds as "baby sitters?"&tC=The cockatiel|The robin|The cuckoo|The jay&cC=3&fB=The cuckoo lays its eggs in other birds' nests, leaving the "child rearing" to other species. The cuckoo chick hatches and matures faster than its caretaker's offspring, and throws the eggs and young out of the nest.
