The birds of Pasvik / E. I. Khlebosolov, O. A. Makarova, O. A. Khlebosolova [et al. ; English transl. Nikita Chernetsov]. - Ryazan : Golosgubernii, 2007. - 175 с. : ил., портр.

8 Whimbrel 7 - * — Golden Plover 1999 2000 2001 2003 2004 2005 Years Figure 1.4. Dynamics of numbers of the Whimbrel and Greater Golden Plover at the Janiskoski study plot in 1999—2005. Figure 1.5. Dynamics of numbers of the Jack Snipe and Common Snipe at the Janiskoski study plot in 1999-2005. routes o f migration. The numbers o f Whinibrels varied on the annual basis w ithout a clear long-term trend (Fig. 1.4). The numbers o f Jack Snipes decreased in 2000-2005 . The numbers o f Snipes increased in 2000-2003, and then dropped. In 2005 Snipes were not recorded at co n ­ trol plots at all (Fig. 1.5). The reasons behind these p attern s shown by snipes remained unknown. The Ruff, Broad-billed Sandpiper and Comm on Redshank are not recorded breeding every year. 7 - 6 - Jack Snipe * — Common Snipe 0 1999 2000 2001 Years 2003 2004 62