Subalpine Warbler split into three species
The Subalpine Warbler complex (sensu lato) is a polytypic species, but the number of ‘subspecies’ considered as valid changed over time. Until the 1990s, only three subspecies were recognised: 1) the nominate S. c. cantillans in Iberia, southern France and Italy, plus the birds breeding in the Western Mediterranean islands were also considered to belong […]
Subalpine Warbler split into three species Read More »