Research on nest occupation and prey grabbing by saker falcon (Falco cherrug) on power lines in Vojvodina (Serbia) was done in the period from 1986 to 2004. During three specially analyzed periods. saker falcon took the nests of raven (Corvus corax) in 91% of a total of 22 cases of nest occupation. and those of hooded crow (Corvus corone cornix) in only 9%. https://yeswellneses.shop/product-category/toys/