A SIMPLE KEY FOR COMMON KESTREL MIGRATION UNVEILED

Kestrels are sexually dichromatic; males, like this 1, have blue-gray wings although women have rufous wings. The species also exhibits sexual size dimorphism; girls are about ten % heavier. Image: Karine AignerTiny, stocky falcon which has a blocky head. Males are typically dim Total, but their shade differs geographically. Grownup male "Taiga" Me