Anguilla, Antigua and Barbuda, Argentina, Aruba, Bahamas, Barbados, Belize, Bermuda, Bolivia, Brazil, Canada (B) (P), Cayman Islands, Chile, Colombia, Costa Rica, Cuba, Dominica, Dominican Republic, Ecuador, El Salvador, Falkland Islands (Malvinas), French Guiana, Grenada (B), Guadeloupe, Guatemala, Guyana, Haiti, Honduras, Jamaica (B), Martinique, Mexico, Montserrat, Netherlands Antilles, Nicaragua, Panama, Paraguay, Peru, Puerto Rico, South Georgia and the South Sandwich Islands, St Kitts and Nevis, St Lucia, St Pierre and Miquelon (NB) (P), St Vincent and The Grenadines, Trinidad and Tobago, Turks and Caicos Islands, Uruguay (B), USA (B), Venezuela, Virgin Islands (British) (B) (NB), Virgin Islands (U.S.) (B) (NB).
Vagrant to Denmark, Estonia, Malta, Portugal, United Kingdom.
Population
Estimated population is 6,000,000 (2010).
American Kestrel (Falco sparverius) [XC289032]
by Richard E. Webster from Los gonzales, San Miguel Allende mexico, Mexico (alarm call)
American Kestrel (Falco sparverius) [XC578156]
by Thomas Magarian from Smith Bybee Wetlands, North Portland, Multnomah County, Oregon, United States (call)
Subspecies
Often considered to form superspecies with Common Kestrel (Falco tinnunculus).
The following 17 subspecies are recognised:
sparverius Linnaeus, 1758 - North America, from Alaska to Newfoundland, and south to western Mexico, except south-eastern USA and coastal western Mexico. Winters south through central America to Panama.
paulus (Howe & King, L, 1902) - South Carolina to Florida, USA.