Density and productivity of Common Buzzard and Goshawks populations were studied over a period of 11 breeding seasons in Central Poland. The mean densities of Buzzards and Goshawks were 1.73 and 1.63 pairs/10 km² of the whole area (105km²), respectively. Both studied species showed little variation of density during the study period. Breeding pairs constituted over 90% of all pairs recorded in the study area. Productivity of the Common Buzzard was greater than that of the Goshawk. Mean number of fledglings per statistical, breeding and successful pair were 1.67,1.78 and 2.34 in Buzzard, and 1.96, 2.08 and 2.76 in Goshawks. Between-year variation in number of fledglings was high in Buzzard population and moderate in Goshawks. Buzzard productivity was related to changes in food composition of this species, whereas in Goshawks no relationship between productivity and diet was found.