Project S.W.A.N.
Network summaryNew network species

A new species joins the S.W.A.N. record: Eurasian Skylark — 21 September 2026

21 September 2026

108

Detections

13

Species

Whole network

Report scope

Listening report

Built from the recorded detection data for this reporting period.

Eurasian Skylark appeared in the stored S.W.A.N. network record for the first time, with its first likely detection at Avocet - Swaffham at 05:53.

Across the network, 108 bird detections were stored from 13 species. 1 of 1 active stations contributed detections.

The leading station totals were Avocet - Swaffham (108).

European Robin was the most frequently classified species, with 36 detections (33% of the daily total). Other regularly classified voices included House sparrow, Common House-Martin, and Eurasian Blue Tit.

Looking at the timing, The first likely detection was Eurasian Skylark at 05:53; the last was Rook at 18:05; the busiest hour began at 09:00 and contained 26 detections.

That total was 7% below the preceding seven-day daily average of 116.0.

These records are automated acoustic classifications and should be treated as likely detections rather than confirmed sightings or verified records.

A note about the data: automated acoustic detections are useful indicators, not guaranteed proof of species presence. Important or unusual records should be independently checked.