Swainson's Hawk
Buteo swainsoni
Silhouette: Lauren Anderson · PhyloPic
- KingdomAnimalia (Animals)
- PhylumChordata (Chordates)
- ClassAves (Birds)
- OrderAccipitriformes (Hawks, Eagles, Kites, and Allies)
- FamilyAccipitridae (Hawks, Eagles, and Kites)
- GenusButeo (Buteos)
- SpeciesButeo swainsoni (Swainson's Hawk)
About the Swainson's Hawk
Swainson's hawk (Buteo swainsoni) is a large bird species in the Accipitriformes order. This species was named after William Swainson, a British naturalist. It is colloquially known as the grasshopper hawk or locust hawk, as it is very fond of Acrididae (locusts and grasshoppers) and will voraciously eat these insects whenever they are available.
Their breeding habitat is prairie and dry grasslands in western North America. They build a stick nest in a tree or shrub or on a cliff edge. This species is a long-distance migrant, wintering in Argentina; it has been recorded as a vagrant in neighboring Chile, in the island countries of the Dominican Republic, and Trinidad and Tobago, and in Norway.
This species or its immediate predecessor is the ancestor of the Galápagos hawk, as demonstrated by recent research. Then later diverged from the mainland birds perhaps 300,000 years ago, a very short time in evolution. Swainson's hawk is a raptor and a medium-sized member of the genus Buteo. It broadly overlaps in size with the red-tailed hawk (B. jamaicensis), a related species found as a breeding resident almost throughout North America. Swainson's hawk is on average a little... Wikipedia →
Recent sightings of Swainson's Hawk in Banff National Park
LIVEiNaturalistClosest Relatives at Banff National Park
Red-tailed Hawk
Buteo jamaicensis
Broad-winged Hawk
Buteo platypterus
Rough-legged Hawk
Buteo lagopus
Bald Eagle
Haliaeetus leucocephalus
Hen Harrier
Circus cyaneus
Golden Eagle
Aquila chrysaetos
Sharp-shinned Hawk
Accipiter striatus
Osprey
Pandion haliaetus
Turkey Vulture
Cathartes aura
Global Distribution
Warmer areas are where this animal is recorded most often.
Parks Where Found
Quick answers
What are the chances of seeing a Swainson's Hawk in Banff National Park?
Under 5% of wildlife watchers report a Swainson's Hawk sighting in Banff National Park, based on 22 verified sightings from GBIF citizen-science data.
When is the best time to see Swainson's Hawk in Banff National Park?
August has the highest sighting rate for Swainson's Hawk in Banff National Park in our monthly data.