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 LC    Large-billed Gerygone* Id (Atlas): 457
    Gerygone magnirostris

Description (10)
Image of Large-billed Gerygone
 

Other Names (World)
Large-billed Gerygone, Large-billed Fairy-warbler, Large-billed Warbler, Large-billed Flyeater, Large-billed Bush-warbler, Floodbird, Brown-breasted Warbler, Brown-breasted Flyeater, Brown-breasted Bush-warbler, Large-billed Flycatcher, Swamp Warbler

Family
Acanthizidae (Thornbills)

Size
10 - 11 cm

First Described (Guide)
Gould, 1843

Derivation
Gë-ryg'-on-e - Gk, gerygone, born of sound: mag-ni-ros'-tris - L., magnus, great; L., rostrum, bill

Abundance (Guide)
C

Common. Sedentary.

Habitat
Rainforests, paperbarks on streams, eucalypt woodlands, mangroves and gardens.

Range (Guide)
Australia (B), Indonesia (B), Papua New Guinea (B).

Image of Range of Large-billed Gerygone
Coastal Northern Territory and northern Queensland south to about Mackay. Also New Guinea.
 
Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.

Population
Estimated population is unknown (2010).

Status LC
Subspecies Gerygone magnirostris hypoxantha is threatened as a result of habitat destruction on Biak.

Secure.

For more information see BirdLife International Species Factsheet.

Habits
Singly or in twos, occasionally in groups of three or four.

Food
Insects.

Voice
A descending, lilting, reel, with each set of three to four notes flicking up at the end, and then falls again.



Xeno-Canto Sound Files (more (18)...)

 
Large-billed Gerygone (Gerygone magnirostris) [XC664120]
     by id from Nightcliff, Darwin Municipality, Northern Territory, Australia (song)

 
Large-billed Gerygone (Gerygone magnirostris) [XC352586]
     by Marc Anderson from Marrdja Boardwalk, Daintree National Park, Queensland, Australia (song)

Breeding Season (Guide)
Sepember - April.

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


Nest
Dome-shaped, with a hooded side-entrance, composed of fine bark and fiber.

Eggs (Guide)
2 or 3; matt, pale pink, freckled, spotted and blotched with red and sometimes purple-grey, often in an indistinct zone at the larger end; oval; about 17 x 12 mm. Incubation: 12 - 14 days; probably by female.

Young
Altricial, nidicolous. Fledge in about 10 - 14 days. Probably fed by both parents.

Subspecies
Biak Gerygone (Gerygone hypoxantha), treated as a species in Collar and Andrew (1988) and subsequently, is now considered a subspecies of Large-billed Gerygone (Gerygone magnirostris) following Sibley and Monroe (1990, 1993).

Often considered conspecific with Biak Gerygone (Gerygone hypoxantha).

Proposed subspecies mimikae (southern New Guinea from Onin Bay east to Port Moresby) synonymized with brunneipectus.

The following 12 subspecies are recognised:

  • cobana Gould, 1843   -  West Papuan Is (Waigeo I, Batanta I, Salawati I).
  • occasa Ripley, 1957   -  Kofiau I (west-central West Papuan Is).
  • conspicillata (Gray, GR, 1859)   -  North-western New Guinea (Vogelkop region).
  • affinis Meyer, AB, 1874   -  Northern New Guinea (including islands of Yapen, Manam and Karkar).
  • brunneipectus (Sharpe, 1879)   -  Southern New Guinea and islands in northern Torres Strait (Boigu, Saibai).
  • proxima Rothschild and E. J. O. Hartert, 1918   -  D'Entrecasteaux Archipelago (Goodenough I, Fergusson I), off south-eastern New Guinea.
  • onerosa E. J. O. Hartert, 1899   -  Misima I (Louisiade Archipelago), Seast of D'Entrecasteaux Group.
  • tagulana Rothschild and E. J. O. Hartert, 1918   -  Tagula I (Louisiade Archipelago).
  • rosseliana Hartert, 1899   -  Rossel I (Louisiade Archipelago).
  • cairnsensis Mathews, 1912   -  Islands of southern Torres Strait, and north-eastern Australia (Cape York Peninsula south to Mitchell drainage in western and to Mackay in east).
  • magnirostris Gould, 1843   -  Coasts of northern western Australia (Napier-Broome Bay south to Collier Bay) and northern Northern Territory (south to Daly R and Roper R), including Tiwi Is and Groote Eylandt.
  • mimikae Ogilvie-Grant, 1915   -  Southern New Guinea (Onin Peninsula to Port Moresby area).


Similar Species
Mangrove Gerygone (Gerygone levigaster) which has a white eye-brow, and lacks the white spot at base of bill, and has a subterminal black tail band and whiter spots on the outer tail feathers and Dusky Gerygone (Gerygone tenebrosa) which has a white eye-brow, and lacks the white spot at base of bill, has a white eye and no obvious tail marks.

Compare Images


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 Large-billed Gerygone (Gerygone magnirostris) - 10 filesMP3 files for Large-billed Gerygone (Gerygone magnirostris) - 2 files


More Information

BirdLife International

For more information about the Large-billed Gerygone see... Show Articles BirdLife International Species Factsheet.


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