
Changeable Hawk-Eagle
Nisaetus cirrhatus (Gmelin, JF, 1788)
≈74 cmLength134 cmWingspan1.5 kgWeight
Its crest varies from long to short and is sometimes barely visible.
Busiest months: February and November–December · Most records: India, Singapore, Sri Lanka
How to identify
Field marks
- Adult back usually dark brown
- Crest varies in length and may be absent
- Adult tail long with fine barring
- Adult legs long and feathered
Male, female and young
Female generally larger than male; adult eyes yellow to orange-yellow, juvenile eyes gray-brown to pale green.
Voice
Usually silent; gives high shrieks in the breeding season.
Where and when it's recorded
Changeable Hawk-Eagle has been recorded at 508 of the 8,276 birding hotspots we track, in 15 countries and regions.
Records by month Northern Hemisphere
Where it's recorded most
- Kanha NP – Mukki ZoneIndia1,127 records
- Yala National ParkSri Lanka895 records
- Dairy Farm Nature ParkSingapore879 records
More places
- Kranji MarshSingapore821 records
- Kalamassery – HMT Estate AreaIndia725 records
- Gunung Panti Recreational Forest – Panti Bird Sanctuary and North AreaMalaysia691 records
- Corbett NP – DhikalaIndia658 records
- Uda Walawe NPSri Lanka600 records
- Henderson WavesSingapore590 records
- Chidyatapu Biological ParkIndia547 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 changeable hawk-eagle (Nisaetus cirrhatus) or crested hawk-eagle is a large bird of prey species of the family Accipitridae. More informal or antiquated English common names include the marsh hawk-eagle or Indian crested hawk-eagle. It is a member of the subfamily Aquilinae, with signature feathers, absent in tropical raptors from outside this subfamily, covering the tarsus.
Excerpt from Wikipedia, CC BY-SA 4.0 · authors · Read more on Wikipedia
Questions
How big is the Changeable Hawk-Eagle?
The Changeable Hawk-Eagle is about ≈74 cm long, with a wingspan of 134 cm and weighs around 1.5 kg.
Where does the Changeable Hawk-Eagle live?
Its breeding range: Oriental: Himalayas, central, southern India and Sri Lanka to Greater Sundas and Philippines. It is most often recorded in India, Singapore and Sri Lanka.
When is the best time to see the Changeable Hawk-Eagle?
At the hotspots we track, it is recorded most in February, November and December (Northern Hemisphere).
Is the Changeable Hawk-Eagle endangered?
The IUCN Red List classifies the Changeable Hawk-Eagle as Least Concern.
What does the Changeable Hawk-Eagle eat?
Main food: Vertebrate prey.
What family is the Changeable Hawk-Eagle in?
It belongs to the family Kites, Hawks, Eagles (Accipitridae), order Accipitriformes.
At a glance
- Length
- ≈74 cm
- Wingspan
- 134 cm
- Weight
- 1.5 kg
- Habitat
- Forest
- Diet
- Vertebrate prey
- Lifestyle
- Perches in trees
- Migration
- Resident (barely migrates)
- Conservation
- Least Concern
More measurements
- Wing
- 415 mm
- Tail
- 290 mm
- Bill
- 50 mm
- Tarsus
- 98 mm
Averages from the AVONET dataset; length from field guides where available.
Range
Oriental: Himalayas, central, southern India and Sri Lanka to Greater Sundas and Philippines
Breeding range, IOC World Bird List 15.2
Classification
- Order
- Accipitriformes
- Family
- Kites, Hawks, Eagles Accipitridae
- Genus
- Nisaetus
Other birds in the genus Nisaetus
Wallace's Hawk-EagleNisaetus nanus
Legge's Hawk-EagleNisaetus kelaarti
Mountain Hawk-EagleNisaetus nipalensis
Blyth's Hawk-EagleNisaetus alboniger
Javan Hawk-EagleNisaetus bartelsi
Sulawesi Hawk-EagleNisaetus lanceolatus
Pinsker's Hawk-EagleNisaetus pinskeri
Philippine Hawk-EagleNisaetus philippensis
Flores Hawk-EagleNisaetus floris
Pearl KiteGampsonyx swainsonii
Download illustration
Free to use with credit: “Illustration: Bird Album (birdalbum.com)”. Drawn by AI from a reference photo by Prashanth N S. ↗
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