How are the sexes differentiated by breast coloration in the Ringed Kingfisher?

Answer

Males have a rufous breast and belly, while females have a blue breast band above a rufous belly

Distinguishing the sexes involves observing the breast: male Ringed Kingfishers feature a rufous breast and belly, while females are identified by a blue breast band positioned above a rufous belly.

How are the sexes differentiated by breast coloration in the Ringed Kingfisher?
speciesbirdNorth Americakingfisher