Bird Album
Black-and-chestnut Eagle
Spizaetus isidori (des Murs, 1845)
1.2 kgWeight
The black-and-chestnut eagle (Spizaetus isidori), also known as Isidor's eagle, is a large South American species of bird of prey in the family Accipitridae.
Busiest months: July–August and November · Most records: Ecuador, Peru, Bolivia
Where and when it's recorded
Busiest months: July–August and November · Most records: Ecuador, Peru, Bolivia
Black-and-chestnut Eagle has been recorded at 78 of the 8,276 birding hotspots we track, in 5 countries and regions.
Records by month Southern Hemisphere
Where it's recorded most
- Cock-of-the-Rock Lodge & Manu Paradise LodgePeru165 records
- Guango LodgeEcuador113 records
- Cabañas San IsidroEcuador93 records
More places
- Bellavista Cloud Forest LodgeEcuador86 records
- Tandayapa – San Jorge TandayapaEcuador66 records
- Tandayapa Bird LodgeEcuador65 records
- Refugio Paz de las AvesEcuador65 records
- Wayqecha Cloud Forest Birding LodgePeru43 records
- WildSumaco LodgeEcuador35 records
- PP Potrero de YalaArgentina30 records
Countries and regions with the most records
eBird records via GBIF up to 2024-12-31. A record means someone listed it; more records partly mean more birders, not more birds.
About
The black-and-chestnut eagle (Spizaetus isidori), also known as Isidor's eagle, is a large South American species of bird of prey in the family Accipitridae. It is often placed in the monotypic genus Oroaetus. However, recent genetic testing indicates that this species is fairly closely related to Spizaetus species and thus the species should be included in that genus.
Excerpt from Wikipedia, CC BY-SA 4.0 · authors · Read more on Wikipedia
Questions
How big is the Black-and-chestnut Eagle?
The Black-and-chestnut Eagle weighs around 1.2 kg.
Where does the Black-and-chestnut Eagle live?
Its breeding range: South America: Venezuela to northwestern Argentina. It is most often recorded in Ecuador, Peru and Bolivia.
When is the best time to see the Black-and-chestnut Eagle?
At the hotspots we track, it is recorded most in July, August and November (Southern Hemisphere).
Is the Black-and-chestnut Eagle endangered?
The IUCN Red List classifies the Black-and-chestnut Eagle as Endangered.
What does the Black-and-chestnut Eagle eat?
Main food: Vertebrate prey.
What family is the Black-and-chestnut Eagle in?
It belongs to the family Kites, Hawks, Eagles (Accipitridae), order Accipitriformes.
At a glance
- Weight
- 1.2 kg
- Habitat
- Forest
- Diet
- Vertebrate prey
- Lifestyle
- Feeds in the air
- Migration
- Resident (barely migrates)
- Conservation
- Endangered
More measurements
- Wing
- 484 mm
- Tail
- 299 mm
- Bill
- 51 mm
- Tarsus
- 113 mm
Averages from the AVONET dataset; length from field guides where available.
Range
South America: Venezuela to northwestern Argentina
Breeding range, IOC World Bird List 15.2
Classification
- Order
- Accipitriformes
- Family
- Kites, Hawks, Eagles Accipitridae
- Genus
- Spizaetus
Other birds in the genus Spizaetus
Black Hawk-EagleSpizaetus tyrannus
Black-and-white Hawk-EagleSpizaetus melanoleucus
Ornate Hawk-EagleSpizaetus ornatus
Pearl KiteGampsonyx swainsonii
Scissor-tailed KiteChelictinia riocourii
White-tailed KiteElanus leucurus
Black-winged KiteElanus caeruleus
Black-shouldered KiteElanus axillaris
Letter-winged KiteElanus scriptus
African Harrier-HawkPolyboroides typus
Download illustration
Free to use with credit: “Illustration: Bird Album (birdalbum.com)”. Drawn by AI from a reference photo by Luciano Massa. ↗
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