Post-Fledging Behavior of American Kestrels in Central Kentucky
At nest 1, Falco sparverius fledglings remained within 100 m of the nest during the first 14 days postfledging; 14-24 days postfledging they remained within 350 m of their natal nest and after their 24th day postfleding they traveled to areas outside their parents' hunting area. They migrated in at least 2 groups after the 27th day postfledging. At nest 2, fledglings followed their parents immediately after fledging. They spent most of their time 250 m NW and 500 m N of their natal nest. Juveniles from nest 2 were observed with their parents up to 75 days postfledging. Differences between the behavior of the fledglings may be associated with differences in prey abundance or parental behavior. -from Author
Journal of Raptor Research
Kellner, C. J. (1990). Post-fledging behavior of American kestrels in central Kentucky. Journal of Raptor Research, 24(3): 56-58.