Morphological changes in American kestrels (Falco sparverius) at continental migration sites
Many American kestrel (Falco sparverius) populations are declining across North America.Potential causes include mortality from reduction in ps5 price winnipeg food availability, a changing climate, habitat degradation, an increase in avian predators, disease, and toxins.We analyzed American kestrel count and banding data from seven raptor migratio