Table 2. A comparison of studies reporting mean maximum distances juvenile Burrowing Owls moved from their nest before migration. Study n Region Patch Size Mean maximum distance from nest (m) General description of study area Clayton and Schmutz (1999) 10 Alberta large 5470 open ranchland, <20% cultivated King and Belthoff (2001) 13 Idaho large 2100 196 000-ha conservation area This study 23 Saskatchewan large 1056 Thousands of hectares of grassland Clayton and Schmutz (1999) 12 Saskatchewan small 550 agricultural land, >90% crops Davies and Restani (2006) 29 North Dakota small 96 35 ha prairie dog colonies This study 32 Saskatchewan small 374 patches of <58 ha