THE WRENS OF FAIR ISLE
Version of Record online: 3 APR 2008
Volume 93, Issue 4, pages 599–601, October 1951
How to Cite
Williamson, K. (1951), THE WRENS OF FAIR ISLE. Ibis, 93: 599–601. doi: 10.1111/j.1474-919X.1951.tb05461.x
- Issue online: 3 APR 2008
- Version of Record online: 3 APR 2008
- Received 18 December 1950.
- 1A new race of wren, Troglodytes t. fridariensis, is described from Fair Isle in North Britain.
- 2The plumage of the upper parts of the wrens in the north-east Atlantic area shows three lines of divergence from the typical race: (a) hebridensis-setlandicus, (b) fridariensis-hirtensis, and (c) borealis-islandicus.
- 3The tendency of the Fair Isle stock towards the greyer mantle plumage of St. Kilda birds may be due to similar environmental conditions, or to “Sewell-Wright effect” in small, isolated communities.
- 4The importance of the 25-mile sea-barrier separating Shetland from Fair Isle wrens is emphasized.