The role of citizen science in ornithology; pp. 83–87

Population trends of common birds in Estonia in 1983–2010; pp. 88–110

Effect of atmospheric circulation types on spring arrival of migratory birds and long-term trends in the first arrival dates in Estonia; pp. 111–131

Fifty-year dynamics in a temperate raptor assemblage; pp. 132–142

Numbers and hybridization of spotted eagles in Estonia as revealed by country-wide field observations and genetic analysis; pp. 143–154

Three-year periodicity in historical raptor-persecution data: an indication of vole cycles?; pp. 155–164