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Campbell Island Snipe Discovered N0.85 December 1997 Note: Deadline for the March issue will be 10th February. Edited by TONY CROCKER 118 Cones Road, Ashley RD2 Rangiora. Phone: 03-313 4995, Fax: 03-364 2057 Email: [email protected] for the members of the Ornithological Society of New Zealand (Inc.) Please note that sightings recorded in this newsletter are subject to confirma- tion. Campbell Island Snipe Discovered One of the most significant ornithological Transferred discoveries in New Zealand this century Shearwaters Increase occurred on 9 November 1997, when a team searching for Campbell Island Teal onJacquemart Island caught a snipe and The breeding population of the newly saw seven others. Up until this time, there established Fluttering Shearwater colony was no evidence that snipe ever occurred on Maud Island increased sharply this in the Campbell Island group. year, when breeding was recorded in six burrows. Last season, two burrows were Campbell Island (11,268 ha.) was bred in and one pair successfully fledged discovered in 1810, but naturalists did a chick (see OSNZNews 83). not visit the island for several decades after this. It is assumed that Norway rats At present five of the breeding and cats were introduced bef~re1840, burrows are still active, with adults as none of the early naturalists reported incubating eggs or brooding young snipe, teal or pipits, all of which are now chicks. One burrow was lost during the confined to rat-free islets scattered egg stage, when the burrowwas flooded around the main island. during heavy rain. The snipe were discovered by Jeremy The number of shearwaters at the Carroll, Dave Barker, James Fraser and colony has been boosted by the addition three bird dogs, who were searching the of three unbanded birds (birds not various islets for further populations of transferred to the island). All of these Campbell Island Teal (otherwise only unbanded birds have paired with known from nearby Dent Island). Eight transferred birds. As yet, nine of the snipe were seen on 19 ha. Jacquemart transferred chicks have returned to the Island, and one of these was caught and colony, with at least six of these now photographed. breeding (three of the twelve breeding birds' identities are unknown at this Perhaps the two biggest surprises stage). arising from this discovery are that previous workers who visitedJacquemart All of the transferred chicks which in 1980 and 1984 did not record snipe have returned to the colony are from the during their admittedly short stays, and first three years of transfers, with birds that snipe have not been found on other from the final three years of transfer still rat-free islands around Campbell Island, to begin returning. It is expected that including 20 ha. Dent Island. the colony will continue to increase. It is likely that the Campbell Island With a small, expanding population Snipe will prove to be an endemic of Fluttering Shearwaters now established subspecies of the New Zealand Snipe on Maud Island, the primary aim of the Coenocorypha aucklandica, which has project has now been achieved. This is surviving populations on the Snares, the first time that a procellarifom species Auckland and Antipodes Islands. The tiny has been shifted to a new (artificial) remnant population on Jacquemart colony. Island will remain vulnerable to extinction unless cats and Norway rats LOUISE & MIKE BELL can be eradicated from Campbell Island. COLIN MISKELLY OSNZNews - No.85 - December 1997 1 AGM Wellington 1998 = between 2.00 and 5.00 pm on Saturday This trip is limited to a maximum of an invitation 30 May Any topic relevant to ornithology 50 participants, and must be prepaid ($38. in New Zealand or the South Pacific per person, plus $15 bus fare if required) region will be considered. Talks should with your registration form. All but the The 1998 Conference and Annual be 15 minutes long, plus another five $8 permit administration fee will be General Meeting will be held in minutes for questions. Please send your refunded if the trip is cancelled. Please Wellington over Queen's Birthday offerings in with your registration form, indicate your second choice field trip on weekend, 28 May to 1 June 1998. The or contact Ralph Powlesland, Science and your registration form in case the trip is venue is the Airport Hotel in Kilbirnie, Research Division, Department of fully booked. and the agenda includes a full day of Conservation, PO. Box 10420,Wellington. scientific talks and presentations, and a Mana Island Scientific Reserve - This day and a half of field trips. Registration There will also be facilities provided is a rare opportunity for members outside forms are enclosed with this issue of for posters and displays if you wish to of Wellington to visit this very special island. Mice were eradicated from 217 OSNZ News and Notornis. present the results of your own research or branch surveys in this way. Please ha Mana Island in 1989/90, and over Pre-registration - your registration indicate if you wish to present a poster 220,000 trees and shrubs have been form, along with your registration fee on your registration form, so that we can planted to date as part of a and (if appropriate) a deposit towards ensure that space is available. comprehensive ecological restoration accommodation and field trips, should programme. Wellington OSNZ members be sent to the organising committee All day field trips - four different field trips are offered for Sunday 31 May, have been closely involved with before 18 March 1998. Accommodation monitoring bird populations there, cannot be guaranteed if a deposit is not although the Mana Island field trip will only run if a minimum of 20 people sign including Sooty Shearwaters and the received by 18 March. The field trips to recently reintroduced NZ Robins. Mana Kapiti Island, Mana Island and the Lake up for it. Alternative trips will be organised if weather conditions cause Island has the largest Takahe population Kohangatera shag colony will be limited outside of Fiordland, and is also the site to 50,30 and 10 people respectively, and cancellation of any or all of the island trips. All participants should be prepared for innovative experiments to attract so late registrants may miss out on their gannets and diving petrels to new preferred field trips. for wet and cold conditions, and have stout footwear if intending to visit the colonies beginning in November 1997. Travel arrangements - a free bus is islands. Early registration is The charter boat for this trip can take available from the airport to the Airport recommended for those wishing to visit 30 people, but we need a minimum of Hotel, with panels explaining the system Kapiti or Mana Islands. 20 participants to keep costs down. in the luggage pick-up areas. If you Prepayment of $25 per person (plus $12 require to be met from your arrival point, Wellington-Pictonreturn ferry trip - an opportunity to see the seabirds of bus fare if required) must be made with please give details on your registration your registration form, but will be form. Cook Strait in winter in the company of (at least one!) highly experienced guides. refunded if the trip is cancelled. Please Accommodation - participants from A wide variety of albatross and petrel indicate your second choice field trip on out of town will be accommodated at suecies is normally seen at this time of your registration form in case the trip is ~ar,gaaiciwnrsW~~ltrave~nna~raO~r_ail- - - - - - --the Airport Hotel and 747 Motel (see fully booked.. --- details on ihe r&eistratio*form).- ~h-~, and so there is effectively no limit Matiu Scientific Reserve and Motel is five minutes walk from the on numbers. Cost - $30.00 per person, ~ellin~ton~arbour&uise - Matiu/Somes Airport Hotel. Please make your own payable at the registration desk (but Island is a former quarantine station arrangements if these facilities/costs do please indicate on your registration form which has been opened to the public not meet your requirements. if this is your preferred or second choice (and managed solely for conservation Council and Regional for a field trip). Binoculars essential. purposes) since July 1995. Ship rats were Representatives' meeting - the OSNZ Kapiti Island Nature Reserve - many eradicated in 1989, and this island is an Council and RRs will meet from midday members were disappointed when the important regional breeding site for on Thursday 28 May and all day on Friday Kapiti Island field trip was cancelled due seabirds and coastal birds, including Blue 29 May, with a joint meeting on Thursday to bad weather during the 1996 AGM at Penguin, Spotted Shag, Variable evening and on Friday. Foxton Beach. We can't make any Oystercatcher and Reef Heron. Registration - the registration desk promises with the weather, but know that If enough people sign up for this trip, will be open from 3.00 pm on Friday 29 this trip will be popular. Those of your an extended harbour cruise is offered, May, and the desk will reopen between who have visited the island before may allowing close inspection of Mokopuna 8.30 and 9.00 am on Saturday 30 May. A be interested to see changes that have and MakarolWrard Islands, and the chance light meal can be provided between 6.00 occurred since the (as yet unconfirmed) of seeing a variety of seabirds and marine and 8.00 pm if required. rat eradication in September-October mammals. This extended trip plus a half Symposium on Wellington 1996. If successful, this will be by far the day on Matiu will cost $22 per person, ornithology - a symposium on largest island ever cleared of rats.
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