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Grey-headed fish-eagle

   ›      ›   Grey-headed fish-eagle - Icthyophaga ichthyaetus.

The grey-headed fish-eagle (Icthyophaga ichthyaetus) belongs to the family Accipitridae. These grey-headed fish-eagle species are distributed in Indian Subcontinent, Southeast Asia, Indonesia and Philippines.

Taxonomy of Grey-headed fish-eagle

  • Scientific Name: Icthyophaga ichthyaetus
  • Common Name: Grey-headed fish-eagle
  • French: Pygargue à tête grise; German: Graukopf-Seeadler; Spanish: Pigarguillo común;
  • Other names: Grey-headed Fishing-eagle; Falco Ichthyaetus Horsfield, 1821, Java; Icthyophaga ichthyaetus;
  • Family: Accipitridae › Accipitriformes › Aves › Chordata › Animalia

    Species author: (Horsfield, 1821)
Icthyophaga ichthyaetus was earlier classified under genus Falco. The genus Icthyophaga (del Hoyo and Collar 2014) was previously spelled Ichthyophaga.

Indian birds - Image of Grey-headed fish-eagle - Icthyophaga ichthyaetus
Indian birds - Image of  Grey-headed fish-eagle - Icthyophaga ichthyaetus

Description

The grey-headed fish-eagle is a large bird, measuring 60 to 75 cm in length and weighing 1,600 to 2,700 grams. Female eagles are larger than the males. The wingspan is 150 to 170 cm. The adults have dark brown upper body, greyish head and lighter underbelly. The bill and head are small. The thighs and legs are white. The tail is rounded and white with a broad black subterminal band.

Habitat

The grey-headed fish-eagle inhabits forested wetlands, rivers, lakes and tanks.

Feeding habits

These eagle species feed mostly on live or dead fish. They also feed on small mammals, reptiles and birds.

Breeding

The grey-headed fish-eagle breeding season in north India is between November and January. A huge nest is built on tall trees with sticks and leaves. Trees near water bodies are prefered. The clutch usually contains two to four eggs. Both the parents take part in incubation, foraging and fledgling feeding.

Distribution

These grey-headed eagles species are distributed in India, Nepal, Sri Lanka, Bangladesh, Myanmar, Thailand, Laos, Vietnam, Cambodia, Malaysia, Singapore, Brunei, Indonesia and Philippines.

Movement Patterns

The grey-headed fish-eagles are sedentary and make local movements for feeding.

Status and conservation

These grey-headed eagle species global population is estimated to be 15,000 to 150,000 individual birds. There is rapid decline in the population and the species are considered 'near threatened'. These eagle species are facing threats of loss of forested wetland habitats and overfishing of the feeding grounds.

The IUCN (International Union for Conservation of Nature) has categorized and evaluated these eagle species and has listed them as "Near Threatened".

Biological classification of Icthyophaga ichthyaetus
Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Accipitriformes
Family:Accipitridae
Subfamily:-
Genus:Icthyophaga
Species:I. ichthyaetus
Binomial name:Icthyophaga ichthyaetus
Distribution:Indian Subcontinent, Southeast Asia, Philippines and Indonesia;
Feeding habits:Mainly live or dead fish; also feeds on small mammals, reptiles and birds;
IUCN status listing:
Near Threatened

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Image source: http://commons.wikimedia.org/wiki/File:Grey_Headed_Fish_Eagle_(_Ichthyophaga_ichthyaetus_)_(7472702294).jpg
http://www.flickr.com/photos/faisal_akram/7472702294/
Image Author: Faisal Akram from Dhaka, Bangladesh | Image License: CC BY-SA 2.0
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