Swainson's Hawk
Buteo swainsoni
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderAccipitriformes
- FamilyAccipitridae (Accipítrids)
- GenusButeo (Buteos)
- SpeciesButeo swainsoni (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. Wikipedia →
<5% of wildlife watchers report a Swainson's Hawk sighting in Tenorio Volcano National Park, based on 16 days of visitor records from GBIF citizen-science data.
Closest Relatives at Tenorio Volcano National Park
Gray-lined Hawk
Buteo nitidus
Broad-winged Hawk
Buteo platypterus
Short-tailed Hawk
Buteo brachyurus
Zone-tailed Hawk
Buteo albonotatus
Red-tailed Hawk
Buteo jamaicensis
White Hawk
Leucopternis albicollis
American Swallow-tailed Kite
Elanoides forficatus
Ornate Hawk-Eagle
Spizaetus ornatus
Snail Kite
Rostrhamus sociabilis
Harris' Hawk
Parabuteo unicinctus
Barred Hawk
Leucopternis princeps
Great Black-Hawk
Buteogallus urubitinga
📅 Monthly Probability
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
Global Distribution
Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.
where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there
Parks Where Found
Quick answers
What are the chances of seeing a Swainson's Hawk in Tenorio Volcano National Park?
About 1% of wildlife watchers report a Swainson's Hawk sighting in Tenorio Volcano National Park, based on 16 days of visitor records from GBIF citizen-science data.
When is the best time to see Swainson's Hawk in Tenorio Volcano National Park?
October has the highest sighting rate for Swainson's Hawk in Tenorio Volcano National Park in our monthly data.