Agreement on the Conservation of Albatrosses and Petrels

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Read about recent developments and findings in procellariiform science and conservation relevant to the Agreement on the Conservation of Albatrosses and Petrels in ACAP Latest News.

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With at-sea tracking data on their computers two albatross researchers return from sub-Antarctic Marion Island today

South Africa’s research station at sub-Antarctic Marion Island in the southern Indian Ocean is relieved once a year in April-May.  Returning today on the S.A. Agulhas II are two young researchers who have spent the last 13 months studying albatrosses on the island.

2012 BSc Honours graduates Kim Stevens (University of Cape Town) and Stefan Schoombie (University of KwaZulu-Natal) have been studying Grey-headed Albatrosses Thalassarche chrysostoma and the two sooty albatrosses Phoebetria spp., respectively.

Their two studies have been designed to be comparable.  Utilizing colour-banded birds in long-term monitoring colonies, birds were tracked at sea with back-mounted GPS loggers during three stages in their breeding seasons: early and late incubation and while brooding small chicks.  Deployments were made on 45 Grey-headed, 30 Sooty P. fusca and 15 Light-mantled P. palpebrata Albatrosses.  Return rates with successful downloads were good at 69 out of the 90 devices deployed.  Only a few loggers were lost at sea and some birds had data for more than one foraging trip.

A Grey-headed Albatross flies over a snowy Marion landscape

A Grey-headed Albatross on its nest has been fitted with a back-mounted GPS logger

 

With albatross crook close by Kim Stevens sits above a study colony on Grey-headed Albatross Ridge

Stefan Schoombie holds a Sooty Albatross on Marion Island

Photographs by Kim Stevens and Stefan Schoombie

In addition, chick regurgitations and squid beak casts were collected on an ad hoc basis to compare with previous studies made on the island, as will be information gathered daily on incubation shifts.

Kim’s study required overnight stays of up to 15 days at a time in a field hut at aptly-named Grey-headed Albatross Ridge on Marion’s south coast – a good day’s walk from the research station on the islands’ eastern side.  Stefan had it a little easier, with some of his study animals being within an hour's walk of the base, although he needed to use fixed ropes as safety aids when working with the sooties that bred on coastal cliffs.

Both Kim and Stefan will now register for Master’s degrees in the Percy FitzPatrick Institute at the University of Cape Town to write up their research findings.  Albatross research at Marion Island is managed by the Institute’s Director, Peter Ryan, who was also on the 2014 relief – as was ACAP’s Information Officer.

Click here for an earlier ACAP news item on research placing "daily diary" loggers on Wandering Albatrosses Diomedea exulans during this year's Marion relief.

John Cooper, ACAP Information Officer, 06 May 2014

Where the devil is it now? The Diablotin or Black-capped Petrel gets tracked at sea with solar power

The Endangered Black-capped Petrel) Pterodroma hasitata or Diablotin (Little Devil) breeds in remote areas of Haiti and the Dominican Republic, with a population estimated to be 600 to 2000 pairs.

To learn about its at-sea movements in the North Atlantic solar-powered satellite transmitters were placed on three breeding birds last month in the Sierra de Bahoruco along the border between the Dominican Republic and Haiti.  Click here to follow the birds’ journeys.

A Black-capped Petrel is equipped with a solar-powered satellite transmitter

“Much of the habitat loss stems from the desperate situation faced by communities on the Haitian side of the border, which depend on land for farming and fuel wood for cooking.  As a result, the remaining nesting habitat for this species is rapidly becoming deforested and degraded.  This affects the security of nesting colonies in Haiti, but also in the Dominican Republic, since Haitians are often hired by Dominicans to farm and make charcoal for them in the Sierra de Bahoruco, despite its protected area status.  In addition, the species is believed to be threatened by losses from collisions with power lines and communication towers, the periodic outbreak of wildfires and fires associated with forest clearing for farmland, and non-native predators such as rats and cats.” (click here).

The tracking project is being led by Patrick Jodice and Rob Ronconi with institutional backing from the South Carolina Cooperative Fish and Wildlife Research Unit at Clemson University, Grupo Jaragua in the Dominican Republic and American Bird Conservancy through the International Black-capped Petrel Conservation Group.

With thanks to Rob Ronconi for information.

Selected Literature:

Goetz, J.E., Hardesty-Norris, J. & Wheeler, J.A. (Eds) 2012.  Conservation Action Plan for the Black-capped Petrel (Pterodroma hasitata).  International Black-capped Petrel Conservation Group.  26 pp.

Simons, T.R., Lee, D.S. & Haney, J.C. 2013. Diablotin Pterodroma hasitata: a biography of the endangered Black-capped Petrel.  Marine Ornithology 41 (Special Issue): S3-S43.

John Cooper, ACAP Information Officer, 05 May 2014

A Buller’s Albatross reaches the South Atlantic off Argentina

Leandro Tamini and Leandro Chavez (Albatross Task Force Argentina, Buenos Aires, Argentina) write in the journal Polar Biology on a sighting of an ACAP-listed Buller’s Albatross Thalassarche bulleri in the south-west Atlantic.

The short note’s abstract follows:

“Buller’s Albatross,Thalassarche bulleri, is a New Zealand breeding endemic that is frequently observed in the subtropical and sub-Antarctic South Pacific Ocean between Australia and Peru.  However, in the South Atlantic Ocean, it is a vagrant, as information on its presence in this region is limited to only a few sightings.  Here, we report a new record of T. bulleri in the south-western Atlantic Ocean off Argentina (55°06′13″S, 66°06′44″W) while investigating interactions between commercial fisheries and seabirds.  This record provides new information about the distribution of this albatross species and its relation with fisheries outside of its regular range.”

Buller's Albatross, photograph by Chris Golding

Reference:

Tamini, L.L & Chavez, L.N. 2014.  First record of Buller’s Albatross (Thalassarche bulleri) from a fishing vessel in the south-western Atlantic Ocean off Southern Patagonia (Argentina).  Polar Biology DOI 10.1007/s00300-014-1506-x.

John Cooper, ACAP Information Officer, 04 May 2014

Circular No. 2 for ACAP’s 8th Advisory Committee meeting in Punta del Este, Uruguay in September now available

Circular No. 2 for ACAP’s 8th Advisory Committee and associated Working Group meetings to be held in Punta del Este, Uruguay over 8-19 September 2014 is now available (click here).

Draft AC8 Agenda

A draft agenda for the 8th Meeting of the Advisory Committee (AC8) is now available from the ACAP Secretariat.  In accordance with Rule 17(4) it is requested that Parties advise the Secretariat by 15 June 2014 of any new items they would like to have added to the agenda.  Draft agendas for the preceding Working Group meetings are also available for the information of delegates attending those meetings, as well as a document list for AC8.

Document Templates

Templates (click here) for meeting documents are available to assist in the preparation of papers for AC8 and Working Group meetings.  It would be appreciated if these templates could be used when submitting documents to the Secretariat.

In order to contain translation costs and facilitate the reading of documents in non-native languages, it would be appreciated if the length of meeting documents could be kept to a minimum.  In the case of working documents, please consider submitting supporting information in an information paper, rather than in the body of the document itself.

Submission of Meeting Documents

A reminder that meeting documents requiring translation (working documents) are to be submitted to the Secretariat no later than 15 July 2014 in order that they may be distributed in the three official languages 30 days in advance of the meeting.  All other AC8 meeting documents and Working Group documents must be submitted by 1 August 2014.  Meeting documents will not be accepted after these dates.

Meeting Registration

Parties, Non-Party Range States and Observers are reminded that details of their representatives must be provided to the Secretariat prior to the meeting (Esta dirección de correo electrónico está siendo protegida contra los robots de spam. Necesita tener JavaScript habilitado para poder verlo.).

Transfers Montevideo Airport – Punta del Este

Regular bus services are available to take delegates direct from Montevideo Airport to Punta del Este. Further information on the bus service and other logistical arrangements kindly provided by our hosts are available from the Secretariat.

Information concerning social events and additional meeting details will be provided in AC8 Meeting Circular No. 3.

A Tristan Albatross off Uruguay, photograph by Martin Abreu

Warren Papworth, Executive Secretary, ACAP Secretariat, 03 May 2014

Foraging and nest quality in Cory's Shearwaters

Antje Chiu Werner (Departamento de Ornitología, Museo de Historia Natural “Javier Prado,” Universidad Nacional Mayor de San Marcos, Lima, Peru) and colleagues have published in the ornithological journal Auk on differences in the at-sea foraging behaviour of male and female Cory's Shearwater Calonectris borealis in relation to nest quality.

The paper’s abstract follows:

“An extended reproductive period and high variability in food resource availability at sea make good quality nest sites particularly important for the survival of pelagic seabird chicks.  Despite high philopatry during the early pre-laying period, males compete strongly for nests, making this period a unique opportunity to independently assess the influence of nest-site characteristics and individual quality on the foraging behavior of Cory's Shearwater (Calonectris diomedea borealis) individuals.  We found significant differences in the at-sea foraging behavior of males and females at temporal (trip duration) and spatial (foraging areas, trip distance, and trip sinuosity) scales, both of which are greater in females.  Furthermore, we suggest that nests of higher quality are deeper and closer to the nest of a conspecific neighbor because both variables were associated with males foraging closer to the colony.  Finally, we showed that during the early pre-laying period the influence exerted by nests on males' behavior at sea is independent from the individual's quality.  Our study links nest-site features with the at-sea behavior of pelagic male seabirds during a period of nest competition and suggests that nest-site characteristics are important to explain foraging patterns of central-place foraging birds.”

A pair of Cory's Shearwaters, photograph by Paulo Catry

Reference:

Chiu Werner, A., Paiva, V.H. & Ramos, J.A. 2014.  On the “real estate market”: individual quality and the foraging ecology of male Cory's Shearwaters.  Auk 131:  265-274.

John Cooper, ACAP Information Officer, 02 May 2014

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