Join for FREE
It only takes a minute!
Magnifying the passion for nature. Zeiss Victory Harpia 95. New!

Welcome to BirdForum.
BirdForum is the net's largest birding community, dedicated to wild birds and birding, and is absolutely FREE! You are most welcome to register for an account, which allows you to take part in lively discussions in the forum, post your pictures in the gallery and more.

Personal tools
Main Categories

Crested Serpent Eagle

From Opus

(Difference between revisions)
Revision as of 20:56, 30 March 2018 (edit)
Deliatodd-18346 (Talk | contribs)
(Picture of subspecies added)
← Previous diff
Current revision (14:17, 18 April 2018) (edit) (undo)
Deliatodd-18346 (Talk | contribs)
(Picture 'galleried' due to layout issues)
 
Line 45: Line 45:
Forest and forest edge, riverine woodland, farmland and sometimes near villages. Occurs up to 3,000m in the [[Himalayas]]. Forest and forest edge, riverine woodland, farmland and sometimes near villages. Occurs up to 3,000m in the [[Himalayas]].
==Behaviour== ==Behaviour==
-[[Image:39260419820 7bfdb91a2f z.jpg|thumb|300px|right|Subspecies ''malayensis''<br />Photo by {{user|SeeToh|SeeToh}}<br />Goldhill Avenue, [[Singapore]], March 2018]] 
====Diet==== ====Diet====
They specialise in reptiles, hunting over woodland for tree snakes and lizards. They specialise in reptiles, hunting over woodland for tree snakes and lizards.
Line 55: Line 54:
Click on photo for larger image Click on photo for larger image
<gallery> <gallery>
 +Image:39260419820 7bfdb91a2f z.jpg|Subspecies ''malayensis''<br />Photo by {{user|SeeToh|SeeToh}}<br />Goldhill Avenue, [[Singapore]], March 2018
Image:44497Ryukyu-Serpent-Eagle.jpg|Subspecies ''perplexus'' <br /> Photo by {{user|MANDA|MANDA}} <br />Ishigaki Island, Okinawa, [[Japan]], March 2005 Image:44497Ryukyu-Serpent-Eagle.jpg|Subspecies ''perplexus'' <br /> Photo by {{user|MANDA|MANDA}} <br />Ishigaki Island, Okinawa, [[Japan]], March 2005
Image:21262208666 29d31d5b6e b.jpg|Subspecies ''hoya'' <br />Photo by {{user|Dave+2x|Dave 2x}}<br />[[Taiwan]], September 2015 Image:21262208666 29d31d5b6e b.jpg|Subspecies ''hoya'' <br />Photo by {{user|Dave+2x|Dave 2x}}<br />[[Taiwan]], September 2015

Current revision

Spilornis minimus redirects here. For the species Nicobar Serpent Eagle, see Spilornis klossi.

Subspecies cheelaPhoto by mikemik Kanha National Park, Mandla, India, November 2015
Subspecies cheela
Photo by mikemik
Kanha National Park, Mandla, India, November 2015
Spilornis cheela

Contents

[edit] Identification

Subspecies spilogaster Photo by Steve GMinneriya National Park, Sri Lanka, August 2009
Subspecies spilogaster
Photo by Steve G
Minneriya National Park, Sri Lanka, August 2009

Medium large raptor about 50–74 cm (19¾-29 in) in length.
Adult

  • Dark brown upperparts and head
    • Hooded appearance at rest
  • Pale brown underparts and underwing coverts
  • Appears large-headed and owl-like due to face s hape and position of eyes

[edit] Flight

  • Shallow dihedral in soaring flight
  • Tail and flight feathers black with broad white stripes

[edit] Distribution

Southern Asia. Widespread and generally common from northern India south to Sri Lanka east to southern China, Hainan, Taiwan and the southern Ryukyu Islands and south to the Andaman Islands and Malay Peninsula. Also breeds on Palawan, Borneo, Sumatra, Java and many smaller islands.

[edit] Taxonomy

[edit] Subspecies

Subspecies spilogaster. Juvenile practising his hunting skills Photo by WindriderWilpattu National Park, Sri Lanka, August 2016
Subspecies spilogaster. Juvenile practising his hunting skills
Photo by Windrider
Wilpattu National Park, Sri Lanka, August 2016
Subspecies burmanicusPhoto by robby thaiTai Rom Yen NP, Thailand, October 2016
Subspecies burmanicus
Photo by robby thai
Tai Rom Yen NP, Thailand, October 2016

About 20 subspecies are currently recognised, some of which may be deserving of full species status[1]:

  • S. c. cheela in northern India and Nepal
  • S. c. melanotis in the Indo-Gangetic plain
  • S. c. spilogaster in Sri Lanka
  • S. c. burmanicus from Burma to southwestern China, Thailand and Indochina
  • S. c. davisoni on the Andaman Islands
  • S. c. ricketti in southern China and northern Vietnam
  • S. c. hoya in Taiwan
  • S. c. rutherfordi on Hainan (southern China)
  • S. c. palawanensis on Palawan (southwestern Philippines)
  • S. c. pallidus in the lowlands of northern Borneo
  • S. c. richmondi in southern Borneo
  • S. c. malayensis on the Malay Peninsula, northern Sumatra and Anambas Islands
  • S. c. batu on southern Sumatra and Batu Islands
  • S. c. bido on Java and Bali
  • S. c. minimus on Nicobar Islands, India
  • S. c. perplexus on southern Ryukyu Islands
  • S. c. natunensis on Natunas and Belitung islands (off Borneo)
  • S. c. abbotti on Simeulue Island (off western Sumatra)
  • S. c. asturinus on Nias Island (off western Sumatra)
  • S. c. sipora on the Mentawai Archipelago (off western Sumatra)
  • S. c. baweanus on Bawean Island (off northern Java)

[edit] Habitat

Forest and forest edge, riverine woodland, farmland and sometimes near villages. Occurs up to 3,000m in the Himalayas.

[edit] Behaviour

[edit] Diet

They specialise in reptiles, hunting over woodland for tree snakes and lizards.

They will, occasionally, take mammals, crabs, eels and birds.

[edit] Vocalisation

They are very vocal, especially in breeding display flights.

[edit] Gallery

Click on photo for larger image

[edit] References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2017. The eBird/Clements checklist of birds of the world: v2017, with updates to August 2017. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Birdforum thread discussing identification of Crested Serpent Eagle

[edit] External Links


Advertisement


Fatbirder's Top 1000 Birding Websites

Help support BirdForum

Page generated in 0.33995509 seconds with 6 queries
All times are GMT. The time now is 09:00.