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a plastic or wooden artificial burrow (to guard against collapse) and protected from prion entry by the fitting of a neoprene flap over the burrow entrance. Burrows are also blocked over the non-breeding period to ensure they are not occupied by prions during the petrels' winter absence. In the 2005/06 breeding season of the 155 known breeding pairs on
Rangatira, 83% were successful in fledging their chick.
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was causing most breeding attempts to fail, attention shifted to protection of burrows and chicks from prion interference. Burrows are located using telemetry - adult birds caught on the surface are fitted with a small transmitter and tracked to their burrows. Burrows are then protected by installing
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over the four years 2002-05 has seen the return of small number of birds to the site and the first breeding occur (with the fledging of 1 chick) in the 2005/06 season and four breeding pairs in 2006/07. The transfer of 200 chicks over four years to a predator-proof fenced site on the South coast of
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The population is estimated at 2,000 birds and is classified as nationally vulnerable. Fossil evidence shows this species was present throughout the
Chatham group before the arrival of humans, predation by humans and introduced mammals (rats and cats) and the loss of forest habitat saw the species
262:
The
Chatham Islands petrel is a medium-sized petrel with a mottled dark-grey and white forehead, dark grey back and upper wings, and white underparts. A black diagonal bar extends from the leading edge of underwing to a black ‘armpit’. The shoulders and upper-wing
326:
Conservation efforts for the
Chatham Islands petrel started in the late 1980s, the initial focus of which was locating burrows and determining the cause of breeding failure. Once it was determined that burrow competition from
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under the forest canopy to which they are generally faithful to over time. Leaves are used as nesting material. Each pair lays a single white egg in
December or January and the chicks fledge in May or June.
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restricted to
Rangatira island. Before conservation efforts began, the size of the Rangatira population was limited by burrow competition with the
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The bill is black and strongly hooked tip. The eye is dark, and the legs and feet are pink, with dark outer toes and webs. The sexes are alike.
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575:"Recovery of the endangered Chatham petrel (Pterodroma axillaris): A review of conservation management techniques from 1990 to 2010"
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Chatham
Islands petrels are rarely observed away from the colony; the few at-sea records are from ships in oceanic waters.
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456:"A review of the distribution and size of gadfly petrel (Pterodroma spp.) colonies throughout New Zealand"
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524:"Wrecks and residents: the fossil gadfly petrels (Pterodroma spp.) of the Chatham Islands, New Zealand"
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Colin
Miskelly; Dafna Gilad; Graeme Arthur Taylor; Alan Tennyson; Susan M. Waugh (2019).
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Chatham Island started in April 2008 with the translocation of 47 chicks.
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are a deeper grey giving a dark M pattern across the spread upper wings.
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The transfer of 200 chicks to a predator-proof fenced area on nearby
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Tuhinga: Records of the Museum of New
Zealand Te Papa Tongarewa
630:. Department of Conservation, Wellington, New Zealand. 2001
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238:, and until recently was restricted to the 218-hectare
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382:10.2305/IUCN.UK.2018-2.RLTS.T22697949A132613763.en
302:This species breeds only in the Chatham Islands.
226:(Māori), is a medium-sized, grey, white and black
285:Chatham Islands petrel in nesting box, on egg
8:
655:
48:
29:
20:
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625:"Chatham petrel recovery plan 2001-2011"
522:Joanne H. Cooper; Alan Tennyson (2008).
403:Miskelly, Colin; Aikman, Hilary (2004).
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7:
922:586597ee-f35e-407d-86ec-4a5c764af773
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368:IUCN Red List of Threatened Species
14:
573:; Matt J. Rayner (January 2015).
1036:IUCN Red List vulnerable species
289:Chatham Islands petrels nest in
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579:Global Ecology and Conservation
357:BirdLife International (2018).
405:"Birds of the Chatham Islands"
240:Rangatira or South-East Island
1:
569:Helen Gummer; Graeme Taylor;
1046:Birds of the Chatham Islands
641:Chatham petrel discussed on
407:. Department of Conservation
591:10.1016/J.GECCO.2014.12.006
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502:Department of Conservation
375:: e.T22697949A132613763.
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70:Scientific classification
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498:"Chatham petrel/ranguru"
431:New Zealand Birds Online
230:. It only breeds on the
1051:Birds described in 1893
322:Conservation management
24:Chatham Islands petrel
337:Pitt Island/Rangiauria
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212:Chatham Islands petrel
969:Paleobiology Database
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218:), also known as the
1013:Pterodroma-axillaris
713:Pterodroma_axillaris
699:Pterodroma axillaris
669:Pterodroma axillaris
361:Pterodroma axillaris
216:Pterodroma axillaris
201:Oestrelata axillaris
179:Pterodroma axillaris
646:Critter of the Week
329:broad-billed prions
40:Conservation status
571:Kerry-Jayne Wilson
316:Pachyptila vittata
313:broad-billed prion
306:Status and threats
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260:
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956:Open Tree of Life
661:Taxon identifiers
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161:P. axillaris
127:Procellariiformes
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650:31 August 2018
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982:SeaLifeBase
845:iNaturalist
693:Wikispecies
585:: 310–323.
537:: 227–248.
388:19 November
256:Joseph Smit
246:Description
236:New Zealand
1041:Pterodroma
1030:Categories
1008:Xeno-canto
634:2007-09-19
607:Q126176490
551:Q126176463
484:Q106839633
470:: 99–177.
344:References
148:Pterodroma
55:Vulnerable
599:2351-9894
543:1290-4805
476:1173-4337
155:Species:
93:Kingdom:
87:Eukaryota
889:22697949
863:10953702
739:22697949
734:BirdLife
678:Wikidata
603:Wikidata
547:Wikidata
480:Wikidata
277:Breeding
192:Synonyms
133:Family:
107:Chordata
103:Phylum:
97:Animalia
83:Domain:
60:IUCN 3.1
837:2481447
824:1049478
801:chapet1
762:chapet1
721:Avibase
684:Q860375
531:Oryctos
507:2 March
468:Te Papa
436:2 March
411:2 March
291:burrows
265:coverts
224:ranguru
143:Genus:
123:Order:
113:Class:
58: (
1000:225989
974:372472
961:845409
948:225989
919:NZOR:
909:NZBO:
876:174583
808:ECOS:
783:Center
752:112669
605:
597:
549:
541:
482:
474:
258:, 1896
995:WoRMS
987:73773
935:73588
902:53666
858:IRMNG
796:eBird
775:4PWK7
759:BOW:
628:(PDF)
527:(PDF)
943:OBIS
897:NCBI
884:IUCN
871:ITIS
850:4057
832:GBIF
811:3866
747:BOLD
595:ISSN
539:ISSN
509:2019
472:ISSN
438:2019
413:2019
390:2021
373:2018
210:The
117:Aves
819:EoL
770:CoL
708:ADW
643:RNZ
587:doi
377:doi
222:or
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214:(
62:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
