Red-flanked Bluetail population explodes in Finland - BirdGuides

The number of territorial males counted was up more than 150% on 2020, which itself was a record year.

Review of the Week: 27 September-3 October 2021 - BirdGuides

Suffolk Birds 2020 by Suffolk Naturalists' Society - Issuu

Details : Red-flanked Bluetail - BirdGuides

Suffolk Birds 2004 Part 2 by Suffolk Naturalists' Society - Issuu

Red-flanked bluetail (Tarsiger cyanurus)

Red-flanked Bluetail (Tarsiger cyanurus) - BirdID's Bird Guide

Suffolk Birds 2020 by Suffolk Naturalists' Society - Issuu

Review of the Week: 27 September-3 October 2021 - BirdGuides

First Idaho Record of Red-flanked Bluetail – December 2016

Details : Red-flanked Bluetail - BirdGuides

Stephen Burch's Birding Website - Finland Trip report May 2010