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Scope of the research

Research projects involve long-term studies on distribution of birds in Poland, their migratory strategies, breeding and wintering ecology:

Functioning and organization of bird populations

- Age-dependent strategy of resource allocation in reproduction and immune function in Blue Tit Parus caeruleus females;
- The influence of egg size, laying sequence and sex of the zarodek on hatching success in Great Tit Parus major;
- Population size, productivity and time budget of shorebirds;
- Hybridization in the herring gull complex Larus argentatus-cachinnans-michahellis; biometric and genetic analysis of mid-Polish population;
- Hatching order and sex of within-pair and extra-pair offspring under conditions of frequent brood reduction - the example of House Martin Delichon urbica.

Migrations and wintering of European bird populations

- Migration-wintering strategies of Jack Snipe Lymnocryptes minimus on the edge of wintering area;
- Wintering of European populations of Blackcap Sylvia atricapilla based on ringing recoveries;
- Dynamics of population size and migration strategy of European populations of Swallow Hirundo rustica;
- Migrations of north-European populations of Jay Garullus glandarius;
- Migrations of Cormorant Phalacrocorax carbo in Poland;
- Short- and long-term movements of herring gulls Larus argentatus s.l. breeding in Poland;
- Origin of Dippers Cinclus cinclus wintering in Poland;
- Autumn migration of Little Stint Calidris minuta in the Gulf of Gdańsk area.

Resources of the birds of Poland

- Monitoring of flagship bird species;
- Cartographic atlas of breeding birds in Poland;
- The occurrence of Herring Gull Larus argentatus, Caspian Gull L. cachinnans and Yellow-legged Gull L. michahellis in central Poland;
- Development of Mediterranean Gull Larus melanocephalus population in Poland;
- NATURE 2000 - threat or a chance?

Polish Ringing Scheme

- Organization and coordination of ringing and other marking of birds;
- Collecting, processing, and sharing data on ringed birds.