From Opus

Subspecies ceylanensis
Photo by Andrew S
Bundala National Park, Sri Lanka, November 2003

Alternative name: Crested Hawk-Eagle

Nisaetus cirrhatus

Spizaetus cirrhatus

[edit] Identification

60-72cm

• Brown upperparts
• White underparts
• Barred underside of flight feathers and tail
• Black streaks on throat
• Dark brown streaks on breast
  

Sexes alike; females larger

The name is due to the dual morph phases - a dark morph and a pale morph.

[edit] Distribution

Juvenile 'pale morph'
Photo by kctsang
Singapore, 2006

Southern Asia: occurs in India, Sri Lanka and the Andamans and Nepal east to Vietnam and south to the Malay Peninsula. Also occurs in the southern Philippines, Borneo, Sumatra and Java.

Resident.

[edit] Taxonomy

Photo by michha62
Khanha National Park, Madhya Pradesh, India

New studies place this species in the genus Nisaetus instead of Spizaetus.

[edit] Subspecies^[1]

Five subspecies are recognised:

• cirrhatus in India
• ceylanensis in Sri Lanka
• limnaeetus from north-east India to the Philippines, Borneo, and Java
• andamanensis in the Andaman Islands
• vanheurni on Simalur

Flores Hawk-Eagle was recently split from this species^{[1], [2]}.

[edit] Habitat

Forest and open woodland from sea-level up to 3,300m, hunting over forest edge and clearings.

[edit] Behaviour

[edit] Breeding

Its nest is made from sticks, placed in a tree. A single greyish-white egg is laid.

[edit] Diet

The diet includes mammals, birds and reptiles.

[edit] Vocalisation

Call: loud, high-pitched ki-ki-ki-ki-ki-ki-ki-ki-kee.

[edit] References

1. Clements, JF. 2009. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2009. Ithaca: Cornell Univ. Press. ISBN 978-0801445019.
2. Avibase
3. Wikipedia

• List of references

[edit] External Links