title: Breeding Whooper Swans Cygnus cygnus in Latvia, 1973-2009
abstract: This study describes the population status, development, distribution and habitat choice of breeding Whooper Swans Cygnus cygnus breeding in Latvia. The breeding population increased from one breeding pair in 1973 to c. 260 pairs in 2009. The first pair of Whooper Swans nested in the western part of the country, and this area has remained a stronghold for the species within Latvia, supporting 86% of 256 sites where breeding was confirmed during the years 2000–2009, with 54% of pairs found in the
journal: Wildfowl (Wildfowl & Wetlands Trust)