Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: A pair of hen harriers, one of England's rarest and most persecuted birds, have bred in the Peak District for a second successive year.

'Skydancers' return to Derbyshire Peak District