Variation in migration behaviors used by Arctic Terns (Sterna paradisaea) breeding across a wide latitudinal gradient

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dc.contributor.author

Wong, Joanna B.

Lisovski, Simeon

Alisauskas, Ray T.

English, Willow

Harrison, Autumn-Lynn

Kellett, Dana K.

Maftei, Mark

Nagy-MacArthur, Avery

Ronconi, Robert A.

Smith, Paul A.

Mallory, Mark L.

Auger-Méthé, Marie

dc.date.accepted

2022-04-01

dc.date.accessioned

2024-07-12T14:44:35Z

dc.date.available

2024-07-12T14:44:35Z

dc.date.issued

2022-04-23

dc.date.submitted

2021-10-28

dc.description.abstract - en

Arctic Terns (<i>Sterna paradisaea</i>) share a few routes to undertake the longest annual migrations of any organism. To understand how the wide spatial range of their breeding colonies may affect their migration strategies (e.g., departure date), we tracked 53 terns from five North American colonies distributed across 30° of latitude and 90° of longitude. While birds from all colonies arrived in Antarctic waters at a similar time, terns nesting in the Arctic colonies migrated back north more slowly and arrived to their breeding grounds later than those nesting in the colony farther south. Arrival dates in Antarctic waters coincided with the start of favorable foraging conditions (i.e., increased ocean productivity), and similarly arrival dates at breeding colonies coincided with the start of local favorable breeding conditions (i.e., disappearance of snow and ice). Larger birds followed a more direct southbound migration route than smaller birds. On both southbound and northbound migrations, daily distances traveled declined as time spent in contact with the ocean increased, suggesting a trade-off between resting/foraging and traveling. There was more unexplained variation in behavior among individuals than among colonies, and one individual had a distinctive stop around Brazil. Terns nesting in the Arctic have a narrow time window for breeding that will likely increase with continuing declines in sea ice and snow. Departing Arctic Terns likely have few clues about the environmental conditions they will encounter on arrival, and their response to environmental changes at both poles may be assisted by large individual variation in migration strategy.

dc.description.fosrcfull - en

This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s <a href="https://www.springernature.com/gp/open-research/policies/accepted-manuscript-terms">AM terms of use,</a> but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: <a href="https://doi.org/10.1007/s00300-022-03043-2">https://doi.org/10.1007/s00300-022-03043-2</a>

dc.description.fosrcfull-fosrctranslation - en

Cette version de l'article a été acceptée à des fins de publication suite à une évaluation par les pairs (le cas échéant) et est soumise aux <a href="https://www.springernature.com/gp/open-research/policies/accepted-manuscript-terms">conditions d'utilisation des manuscrits acceptés </a>de Springer Nature. Ce n'est pas la version publiée puisqu’elle ne reflète pas les améliorations postérieures à l'acceptation, ni les corrections. La version publiée est disponible en ligne à l'adresse suivante : <a href="https://doi.org/10.1007/s00300-022-03043-2">https://doi.org/10.1007/s00300-022-03043-2</a>

dc.identifier.issn

1432-2056

0722-4060

dc.identifier.uri

https://open-science.canada.ca/handle/123456789/2684

dc.language.iso

en

dc.publisher

Springer Nature

dc.relation.isreplacedby

https://doi.org/10.1007/s00300-022-03043-2

dc.rights.openaccesslevel - en

Green

dc.rights.openaccesslevel - fr

Vert

dc.subject - en

Nature and environment

Science and technology

dc.subject - fr

Nature et environnement

Sciences et technologie

dc.subject.en - en

Nature and environment

Science and technology

dc.subject.fr - fr

Nature et environnement

Sciences et technologie

dc.title - en

Variation in migration behaviors used by Arctic Terns (Sterna paradisaea) breeding across a wide latitudinal gradient

dc.type - en

Accepted manuscript

dc.type - fr

Manuscrit accepté

local.article.journaltitle

Polar Biology

local.article.journalvolume

45

local.pagination

37 pages

local.peerreview - en

Yes

local.peerreview - fr

Oui

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