1st June 2026 Unst SW2 Fog

Skaw: 2 Chiffchaff.

Norwick: Pacific Diver, 13 Collared Doves, female Red-backed Shrike, Icterine Warbler, 5 Chiffchaff, Spotted Flycatcher & 3 Tree Sparrow.

Haroldswick: Knot, 2 Little Stints, 2 Sedge Warblers & Western Subalpine Warbler.

Male Western Subalpine Warbler at Haroldswick

Reassuringly short, bunched primary projection

Comparison of sonograms of calls of Haroldswick, Troswick and a genetically confirmed Western Subalpine Warbler recorded at Quendale by Andrew Harrop. Some differences between the calls of the various taxa discussed here.