Where does it nest?

In a tunnel it digs into a bare riverbank, sometimes more than a metre deep, ending in a chamber. Watch a bank long enough and you will see one arrive at a hole you had not noticed.

• Field marksShaggy crest. Blue-grey band across the chest. The female adds a rust band below it.
• SizeAbout 28 to 35cm.
• WaterRiver banks, Continental
• Verified byA working naturalist. Named in full on the colophon.