This is especially the case with the American kestrel. The back and wings of the female American kestrel are rufous with dark brown barring. Hawking with the American kestrel requires adapting to the strengths and weaknesses of the bird. Avians include the American kestrel, Reddish egret and spoonbills. The call of this species is a high pitched "ke-ke-ke" like the American kestrel. The American kestrel is the only New World species termed "kestrel". Under traditional classification, the American kestrel is the smallest raptor in America. The sixth edition of the AOU Checklist corrected this, officially renaming the bird "American kestrel". The American kestrel is a common bird used in falconry, especially by beginners. American kestrel and northern harriers also find suitable habitats at Pettigrew State Park. Other unusual bird species taken include American kestrel, and young short-eared owls. Despite this, the American kestrel is classed as Least Concern on the IUCN Red List. The American kestrel ("Falco sparverius") is the smallest and most common falcon in North America. The American kestrel is not long-lived, with a lifespan of <5 years for wild birds.