成人快手

For many the arrival of the cuckoo means only one thing, the arrival of spring. Yet although the call of the male cuckoo is familiar to many, how many people have actually seen a cuckoo, or heard the strange bubbling calls of the female prospecting for a host nest to lay her eggs? In this extended version of Tweet of the Day we'll hear from Sir David Attenborough and theatrical director Tara Robinson.

Producer : Andrew Dawes