ACAP Latest News

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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Impact of ingestion of pumice in seabirds and connections between chick development and plastic ingestion analysed in new study

          Flesh-footed Shearwaters; photograph by Ian Hutton

J. L. Lavers (Bird Group, The Natural History Museum, Tring, UK) and A.L. Bond have published open access in the journal Marine Biology a study on the ingestion of pumice in Flesh-footed and Wedge-tailed Shearwaters between 2011 – 2022 and connections with the ingestion of plastics and chick development. 

The paper’s abstract follows, 

“Many species of seabird ingest or are provisioned with pumice stones, buoyant volcanic rocks that are thought to aide in digestion, occasionally during times of poor prey availability. Unlike other indigestible matter, like plastics, the effect of pumice on chick growth, its relationship with ingested plastics, and variation among years has not yet been examined. We analysed the amount of ingested pumice from 739 Flesh-footed (Ardenna carneipes) and 173 Wedge-tailed Shearwaters (A. pacifica) from Lord Howe Island, Australia sampled using stomach lavage between 2011 and 2022. The total mass of ingested pumice was positively related to the mass of ingested plastics in Flesh-footed, but not Wedge-tailed Shearwaters, but not when using mean stone mass. Pumice mass did not vary over time, except for one higher year for each species (2016 for Flesh-footed Shearwaters and 2014 for Wedge-tailed Shearwaters), and there was no effect of pumice mass on chick body size at fledgling. Our results are consistent with the coexistence over geological time of seabirds and floating pumice, and future work should focus on aspects of retention in the digestive system and potential interactions with and efficacy in the presence of novel materials, like plastics.”

Reference

Lavers, J.L., Bond, A.L. 2023. Pumice ingestion in seabirds: interannual variation, and relationships with chick growth and plastic ingestion. Marine Biology 170, 55 https://doi.org/10.1007/s00227-023-04203-6

24 April 2023

Fisheries New Zealand seeks feedback on proposed changes to mandatory seabird mitigation measures

Bird Scaring Lines Ed MelvinBird Scaring Lines (BSL) are one of a number of mitigation measures available to fishers to reduce risks to seabirds from fishing operations; photograph by Ed Melvin

Fisheries New Zealand is seeking feedback on proposed changes to the mandatory seabird mitigation measures for commercial fishers using surface longlining (SLL) in New Zealand waters. Details of the proposed changes to the mitigation measures are contained in the consultation document, Review of the Fisheries (Seabird Mitigation Measures – Surface Longlines) Circular 2019.

The proposals come after a review of the current regulations contained in the Fisheries (Seabird Mitigation Measures – Surface Longlines) Circular 2019 in which Fisheries New Zealand found low uptake of voluntary mitigation measures and little compliance to discharge management practices.  

New Zealand is considered a seabird hotspot, with several species of albatrosses and petrels endemic to the country. Twelve seabirds, all ACAP-listed species, were identified in the review as most at risk from SLL fisheries including Antipodean, Gibson’s and Salvin’s albatrosses. 

By law, commercial fishers in New Zealand waters using the surface longlining method must implement certain mitigation measures to reduce risks to seabirds. The current regulations stipulate that during setting, fishers must either:

  • use hook-shielding devices on all hooks, or
  • deploy a legal tori (streamer) line (or Bird Scaring Line), and either set at night, or line weight to legal specifications.

In addition to the mandatory regulations there are a number of voluntary measures which SLL operations can adopt including the use of bird scaring lines (also known as a tori line), line weighting, and night setting. Employing all of these measures simultaneously, known as "three out of three" or using hook-shielding devices, aligns with ACAP’s Best Practice Advice for seabird mitigation in SLL fisheries.

The consultation by Fisheries New Zealand is seeking feedback on potential changes to the circular which will better align it with the voluntary measures set out in the mitigation standards.

The options proposed in the consultation are as follows:

  • Option 1: Regulatory status quo.
  • Option 2: Mandate additional "best practice" seabird mitigation measures.
  • Option 3: Spatial/temporal use of "three out of three" (or hook-shielding devices).
  • Option 4: Mandate "three out of three" (or hook-shielding devices) at all times.

Submissions can be made to Fisheries New Zealand on the proposed changes detailed in the Consultation Document via email at, This email address is being protected from spambots. You need JavaScript enabled to view it. or alternatively, the postal address is:

Surface Longline Circular Review 2023 Fisheries Management
Fisheries New Zealand
Private Bag 12031
Tauranga 3143

The deadline for submissions is 5pm 28 April 2023. All infornation, including the review and consulation documents are available here.

21 April 2023

The ACAP Species Infographic for the Black-browed Albatross is released in three more languages

Black browed Albatross Infographic web version French
The ACAP Species Infographic series is designed to help inform the general public, including school learners, of the threats faced by albatrosses and what is being and can be done to combat them. They serve to complement the more detailed and referenced ACAP Species Assessments, the concise and illustrated ACAP Species Summaries and the ACAP Photo Essay series.

To date, 10 species infographics have been produced. Sponsored by the Australian Antarctic Program, the most recent, for the Black-browed Albatross Thalassarche melanophris, was released last month in its English version.  All the infographics are being produced in ACAP’s three languages, and today ACAP is releasing the French and Spanish versions for the Black-browed Albatross. In addition, a Portuguese version takes note that the species visits the waters of Brazil (a Party to the Agreement). Previously, a Portuguese version was produced for the Critically Endangered Tristan Albatross Diomedea dabbeneena. Other ACAP-listed species that regularly visit Brazilian waters will also have infographics produced in Portuguese.

Black browed Albatross Infographic web version Portuguese
The 10 infographics produced to date may be freely downloaded at a high resolution to allow for printing professionally in two poster sizes (approximately A2 and A3). English and Portuguese language versions of infographics are available to download here, whilst French and Spanish versions can be found in their respective language menus for the website under, Infographies sur les espèces and Infographía sobres las especies.

Please note they are only being made available for personal use or when engaging in activities that will aid in drawing attention to the conservation crisis faced by the world’s albatrosses and petrels – when ACAP will be pleased to receive a mention.

Black browed Albatross Infographic web version Spanish
The infographics are created by Thai illustrator Namasri ‘Namo’ Niumim from Bangkok. Namo, is a graduate of the School of Architecture and Design, King Mongkut’s University of Technology Thonburi with a Bachelor of Fine Arts in Communication Design.

With thanks to ‘Pep’ Arcos, Karine Delord and Patricia Serafini for their providing or for their careful checking of texts in their home languages.

John Cooper, Emeritus Information Officer, Agreement on the Conservation of Albatrosses and Petrels, 20 April 2023

2023 Great Backyard Bird Count sees a boost in number of reported ACAP-listed birds

Jaimie Cleeland Light mantled Albatross 7Three Light-mantled Albatrosses were counted over the duration of the Great Backyard Bird Count; photograph by Jaimie Cleeland

The results of the 2023 Great Backyard Bird Count (GBBC) are in and the number of ACAP-listed birds spotted was more than double the total counted in 2022’s event. Last year 628 individual birds were spotted, whereas in this year’s count a total of 1477 individual birds were reported. The event took place Friday 17 February to Monday 20 February 2023.

Checklists containing bird species listed under the Agreement were submitted by birdwatchers from across the globe including Antarctica, Argentina, Australia, Chile, the Falkland Islands (Islas Malvinas)*, Japan, New Zealand, South Africa and the United States of America. 21 of ACAP’s 31 listed species were accounted for: 15 of 22 albatross species, five of seven petrel species, and one of the two shearwater species. The results can be found in the table below.

GBBC 2023 ACAP listed Table

Launched in 1998 by the Cornell Lab of Ornithology and National Audubon Society, and joined by Birds Canada in 2009, the GBBC project marked its 26th anniversary this year. It has become the world’s largest citizen science project related to biodiversity, providing researchers with a valuable snapshot of global bird populations. 

An estimated half a million bird enthusiasts took part in this year’s count, identifying an impressive 7,538 species of birds. To dig deeper into the results of the 2023 event, head to birdcount.org where a comprehensive review can be found.

Missed this year’s GBBC? Get ready for 2024’s by marking February 16 – 19 in your calendar, or take part in bird counting events still to come this year, including: 

*A dispute exists between the Governments of Argentina and the United Kingdom of Great Britain and Northern Ireland concerning sovereignty over the Falkland Islands (Islas Malvinas), South Georgia and the South Sandwich Islands (Islas Georgias del Sur y Islas Sandwich del Sur) and the surrounding maritime areas.

19 April 2023

Brazilian artist Flávia Barreto supports World Albatross Day for another year


Cigarette lighters, bottle tops, a toothbrush and a toy soldier. A Black-footed Albatross and chick on Midway Atoll, after a photograph by Wieteke Holzhausen

The Albatross and Petrel Agreement has chosen the theme “Plastic Pollution” to mark the fourth World Albatross Day, to be celebrated on 19 June 2023 (WAD2023). The featured albatross species for this year are once more the North Pacific Black-footed Phoebastria nigripes and the Laysan P. immutabilis, along with the globally Endangered Northern Royal D. sanfordi endemic to New Zealand, and the abundant and widespread Black-browed Thalassarche melanophris. For the first three months of the year ACAP has once more been collaborating with Artists and Biologists Unite for Nature (ABUN) on its 43rd Project to produce artworks that will help increase awareness of the conservation plight facing the world’s albatrosses and support WAD2023. This the fourth collaboration with ABUN, resulting in 75 artworks by 31 artists, including no less than seven by Brazilian amateur artist Flávia Barreto - five of which are illustrated here.


A colour-banded Black-browed Albatross guards its chick on Bird Island in the South Atlantic, after a photograph by Erin Taylor

Flávia, who paints in watercolour, gouache and acrylic, lives in Nova Friburgo in south-eastern Brazil. She describes herself as an amateur artist and a retired civil servant. After retirement she decided there was still time to learn more and to dedicate her life to art. Being a lover of nature and animals, her art and interests have gradually evolved to drawing and painting threatened species.


Two Northern Royal Albatrosses interact at sea off New Zealand, after a photograph by Hadoram Shirihai

She writes to ALN: “Plastic pollution in the oceans is a global and urgent crisis threatening marine wildlife, food safety and human health. Albatrosses are direct victims of human conduct, as they may die or get injured by ingesting or getting entangled in plastic waste. We can help to raise awareness of governments, organizations and communities by contributing to conservation initiatives such as those of ACAP. As a member of ABUN I am glad to be able to contribute through my work to World Albatross Day once again and join the fight against plastic pollution.”


A Black-footed Albatross is surrounded by washed-up plastic bottles and fishing floats, after a photograph by Matthew Chauvin,
The Ocean Cleanup

View Flávia Barreto’s art in support of last year’s World Albatross Day with its theme of “Climate Changehere.


Squid, but also plastic? A Laysan Albatross regurgitates a meal to its chick, photograph by Hob Osterlund

With grateful thanks to Flávia Barreto, Kitty Harvill and Marion Schön of Artists and Biologists Unite for Nature and to Matthew Chauvin, Wieteke Holzhausen, Hob Osterlund, Hadoram Shirihai and Eric Taylor for the use of their photographs.

John Cooper, Emeritus Information Officer, Agreement on the Conservation of Albatrosses and Petrels, 18 April 2023

The Agreement on the
Conservation of Albatrosses and Petrels

ACAP is a multilateral agreement which seeks to conserve listed albatrosses, petrels and shearwaters by coordinating international activity to mitigate known threats to their populations.

About ACAP

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Hobart TAS 7000
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Email: secretariat@acap.aq
Tel: +61 3 6165 6674