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 VU    Christmas Island Hawk-Owl* Id (Atlas): 807
    Ninox natalis Endemic

Description (10)
Image of Christmas Island Hawk-Owl
 

Other Names (World)
Christmas Boobook, Christmas Island Hawk-Owl, Christmas Hawk-Owl, Christmas Island Owl, Christmas Island Boobook

Family
Strigidae (Typical Owls)

Size
26 - 29 cm

First Described (Guide)
Lister, 1889

Derivation
Nï'-nox - ni, derivation unknown; L., nox, night: natalis - N.L., of Christmas Island

Abundance (Guide)
U

Rare.

Habitat
Dense closed canopy rainforests on island heights, tall coastal deciduous forest.

Range (Guide)
Christmas Island (B) (NB).

Image of Range of Christmas Island Hawk-Owl
Christmas I (Indian Ocean).
 
Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.

Population
Estimated population is 1,000 (2010) and stable.

Status VU
Vulnerable.

See also EPBC Act List of Threatened Fauna.

For more information see BirdLife International Species Factsheet.

Habits
Singly, in pairs or family groups.

Food
Mainly large insects, sometimes small invertebrates.

Voice
Loud, double hooted, 'boo-book', the first note being higher pitched. Also a soft 'porr-porr...'.

Xeno-Canto Sound Files (more (2)...)

 
Christmas Boobook (Ninox natalis) [XC68847]
     by Craig Robertson from Christmas Island, Australia (song)

 
Christmas Boobook (Ninox natalis) [XC68845]
     by Frank Lambert from Christmas Island, Australia (song)

Breeding Season (Guide)
Probably all year round.

J F M A M J J A S O N D
   
   
   
   
   
   
   
   
   
   
   
   


Nest
In a hollow of a tree.

Eggs (Guide)
Probably 2; white; rounded. Incubation: probably by female.

Young
Fledge in 68 - 77 days. Fed by both parents.

Subspecies
Ninox squamipila (Sibley and Monroe 1990, 1993) has been split into Seram Boobook (Ninox squamipila) and Christmas Island Hawk-Owl (Ninox natalis) following Norman et al. (1998).

Formerly considered conspecific with Seram Boobook (Ninox squamipila), but separable on morphological and plumage details, molecular differences and perhaps voice.

No subspecies.

Similar Species
None. This is the only owl on Christmas Island.


References
See References.

The Field Guide to the Birds of Australia Pizzey, G., and Knight, E., 1997, Angus & Robertson, Sydney ISBN 0 207 19691 5
Field Guide to Australian Birds Morecombe, M., 2000, Steve Parish Publishing Pty Ltd. ISBN 1 876282 10 X
Field Guide to the Birds of Australia Simpson, K., and Day, N., 1999, 6th Edition, Viking ISBN 0 670 87918 5
Reader's Digest Complete Book of Australian Birds 1988, 2nd Edition, Reader's Digest ISBN 0 949819 99 9
What Bird is That? 1984, Revised Edition, Angus & Robertson, Sydney ISBN 0 207 14846 5
Handbook of Australian, New Zealand & Antarctic Birds 1990 - , Oxford University Press, Melbourne ISBN 0 19 553244 9


Files:
JPG files for Christmas Island Hawk-Owl (Ninox natalis) - 10 files


More Information

BirdLife International

For more information about the Christmas Island Hawk-Owl see... Show Articles BirdLife International Species Factsheet.


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