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Pelagic seabirds reduce risk by flying into the eye of the storm

Emmanouil Lempidakis Orcid Logo, Emily Shepard Orcid Logo, Andrew N. Ross Orcid Logo, Sakiko Matsumoto, Shiho Koyama, Ichiro Takeuchi Orcid Logo, Ken Yoda Orcid Logo

Proceedings of the National Academy of Sciences, Volume: 119, Issue: 41

Swansea University Author: Emily Shepard Orcid Logo

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DOI (Published version): 10.1073/pnas.2212925119

Abstract

Cyclones can cause mass mortality of seabirds, sometimes wrecking thousands of individuals. The few studies to track pelagic seabirds during cyclones show they tend to circumnavigate the strongest winds. We tracked adult shearwaters in the Sea of Japan over 11 y and found that the response to cyclon...

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Published in: Proceedings of the National Academy of Sciences
ISSN: 0027-8424 1091-6490
Published: Proceedings of the National Academy of Sciences 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa61540
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spelling 2022-10-28T13:34:57.9047143 v2 61540 2022-10-12 Pelagic seabirds reduce risk by flying into the eye of the storm 54729295145aa1ea56d176818d51ed6a 0000-0001-7325-6398 Emily Shepard Emily Shepard true false 2022-10-12 SBI Cyclones can cause mass mortality of seabirds, sometimes wrecking thousands of individuals. The few studies to track pelagic seabirds during cyclones show they tend to circumnavigate the strongest winds. We tracked adult shearwaters in the Sea of Japan over 11 y and found that the response to cyclones varied according to the wind speed and direction. In strong winds, birds that were sandwiched between the storm and mainland Japan flew away from land and toward the eye of the storm, flying within ≤30 km of the eye and tracking it for up to 8 h. This exposed shearwaters to some of the highest wind speeds near the eye wall (≤21 m s–1) but enabled them to avoid strong onshore winds in the storm’s wake. Extreme winds may therefore become a threat when an inability to compensate for drift could lead to forced landings and collisions. Birds may need to know where land is in order to avoid it. This provides additional selective pressure for a map sense and could explain why juvenile shearwaters, which lack a map sense, instead navigating using a compass heading, are susceptible to being wrecked. We suggest that the ability to respond to storms is influenced by both flight and navigational capacities. This may become increasingly pertinent due to changes in extreme weather patterns. Journal Article Proceedings of the National Academy of Sciences 119 41 Proceedings of the National Academy of Sciences 0027-8424 1091-6490 4 10 2022 2022-10-04 10.1073/pnas.2212925119 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University European Research Council under the European Union’s Horizon 2020 Research and Innovation Program (Grant 715874 to E.L.C.S.) 2022-10-28T13:34:57.9047143 2022-10-12T12:21:12.8366990 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Emmanouil Lempidakis 0000-0003-2384-9093 1 Emily Shepard 0000-0001-7325-6398 2 Andrew N. Ross 0000-0002-8631-3512 3 Sakiko Matsumoto 4 Shiho Koyama 5 Ichiro Takeuchi 0000-0002-1366-1946 6 Ken Yoda 0000-0002-8346-3291 7 61540__25606__c40bd3556e734a29b2cdd0d6e2581e2d.pdf 61540.pdf 2022-10-28T13:30:38.0450498 Output 1630815 application/pdf Accepted Manuscript true 2023-04-04T00:00:00.0000000 true eng 61540__25607__149ceddc39ba4bd4ae9ae865ca0f8e41.pdf 61540_Supplementary_Material.pdf 2022-10-28T13:31:01.6895083 Output 1134215 application/pdf Supplemental material true 2023-04-04T00:00:00.0000000 true eng
title Pelagic seabirds reduce risk by flying into the eye of the storm
spellingShingle Pelagic seabirds reduce risk by flying into the eye of the storm
Emily Shepard
title_short Pelagic seabirds reduce risk by flying into the eye of the storm
title_full Pelagic seabirds reduce risk by flying into the eye of the storm
title_fullStr Pelagic seabirds reduce risk by flying into the eye of the storm
title_full_unstemmed Pelagic seabirds reduce risk by flying into the eye of the storm
title_sort Pelagic seabirds reduce risk by flying into the eye of the storm
author_id_str_mv 54729295145aa1ea56d176818d51ed6a
author_id_fullname_str_mv 54729295145aa1ea56d176818d51ed6a_***_Emily Shepard
author Emily Shepard
author2 Emmanouil Lempidakis
Emily Shepard
Andrew N. Ross
Sakiko Matsumoto
Shiho Koyama
Ichiro Takeuchi
Ken Yoda
format Journal article
container_title Proceedings of the National Academy of Sciences
container_volume 119
container_issue 41
publishDate 2022
institution Swansea University
issn 0027-8424
1091-6490
doi_str_mv 10.1073/pnas.2212925119
publisher Proceedings of the National Academy of Sciences
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
document_store_str 1
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description Cyclones can cause mass mortality of seabirds, sometimes wrecking thousands of individuals. The few studies to track pelagic seabirds during cyclones show they tend to circumnavigate the strongest winds. We tracked adult shearwaters in the Sea of Japan over 11 y and found that the response to cyclones varied according to the wind speed and direction. In strong winds, birds that were sandwiched between the storm and mainland Japan flew away from land and toward the eye of the storm, flying within ≤30 km of the eye and tracking it for up to 8 h. This exposed shearwaters to some of the highest wind speeds near the eye wall (≤21 m s–1) but enabled them to avoid strong onshore winds in the storm’s wake. Extreme winds may therefore become a threat when an inability to compensate for drift could lead to forced landings and collisions. Birds may need to know where land is in order to avoid it. This provides additional selective pressure for a map sense and could explain why juvenile shearwaters, which lack a map sense, instead navigating using a compass heading, are susceptible to being wrecked. We suggest that the ability to respond to storms is influenced by both flight and navigational capacities. This may become increasingly pertinent due to changes in extreme weather patterns.
published_date 2022-10-04T04:20:26Z
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