Bare part colours brighter during courtship, with iris orange. Juvenile has head all white and white carpal patch, which is only visible in flight.
Distribution
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith
