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Our main objective was to describe how this general definition applies to seabirds. We investigated migration characteristics of 6 pelagic seabird species (little auk <jats:italic>Alle alle<\/jats:italic>, Atlantic puffin <jats:italic>Fratercula arctica<\/jats:italic>, common guillemot <jats:italic>Uria aalge,<\/jats:italic> Br\u00fcnnich\u2019s guillemot <jats:italic>U<\/jats:italic>. <jats:italic>lomvia,<\/jats:italic> black-legged kittiwake <jats:italic>Rissa tridactyla<\/jats:italic> and northern fulmars <jats:italic>Fulmarus glacialis<\/jats:italic>). We analysed an extensive geolocator positional and saltwater immersion dataset from 29 colonies in the North-East Atlantic and across several years (2008-2019). We used a novel method to identify active migration periods based on segmentation of time series of track characteristics (latitude, longitude, net-squared displacement). Additionally, we used the saltwater immersion data of geolocators to infer bird activity. We found that the 6 species had, on average, 3 to 4 migration periods and 2 to 3 distinct stationary areas during the non-breeding season. On average, seabirds spent the winter at lower latitudes than their breeding colonies and followed specific migration routes rather than non-directionally dispersing from their colonies. Differences in daily activity patterns were small between migratory and stationary periods, suggesting that all species continued to forage and rest while migrating, engaging in a \u2018fly-and-forage\u2019 migratory strategy. We thereby demonstrate the importance of habitats visited during seabird migrations as those that are not just flown over, but which may be important for re-fuelling.<\/jats:p>","DOI":"10.3354\/meps13872","type":"journal-article","created":{"date-parts":[[2021,8,24]],"date-time":"2021-08-24T10:52:26Z","timestamp":1629802346000},"page":"127-144","update-policy":"https:\/\/doi.org\/10.3354\/policy","source":"Crossref","is-referenced-by-count":28,"title":["Six pelagic seabird species of the North Atlantic engage in a fly-and-forage strategy during their migratory movements"],"prefix":"10.3354","volume":"676","author":[{"given":"F","family":"Am\u00e9lineau","sequence":"first","affiliation":[{"name":"Norwegian Polar Institute, Fram Centre, 9296 Troms\u00f8, Norway"}]},{"given":"B","family":"Merkel","sequence":"additional","affiliation":[{"name":"Norwegian Polar Institute, Fram Centre, 9296 Troms\u00f8, Norway"},{"name":"Akvaplan-niva, Fram Centre, 9296 Troms\u00f8, Norway"}]},{"given":"A","family":"Tarroux","sequence":"additional","affiliation":[{"name":"Norwegian Institute for Nature Research, Fram Centre, 9296 Troms\u00f8, Norway"}]},{"given":"S","family":"Descamps","sequence":"additional","affiliation":[{"name":"Norwegian Polar Institute, Fram Centre, 9296 Troms\u00f8, Norway"}]},{"given":"T","family":"Anker-Nilssen","sequence":"additional","affiliation":[{"name":"Norwegian Institute for Nature Research, 7485 Trondheim, Norway"}]},{"given":"O","family":"Bj\u00f8rnstad","sequence":"additional","affiliation":[{"name":"Karm\u00f8y Ringmerkingsgruppe, 4280 Skudeneshavn, Norway"}]},{"given":"VS","family":"Br\u00e5then","sequence":"additional","affiliation":[{"name":"Norwegian Institute for Nature Research, 7485 Trondheim, Norway"}]},{"given":"O","family":"Chastel","sequence":"additional","affiliation":[{"name":"Centre d\u2019Etudes Biologiques de Chiz\u00e9, UMR7372, CNRS-Universit\u00e9 La Rochelle, 79360 Villiers en Bois, France"}]},{"given":"S","family":"Christensen-Dalsgaard","sequence":"additional","affiliation":[{"name":"Centre d\u2019Etudes Biologiques de Chiz\u00e9, UMR7372, CNRS-Universit\u00e9 La Rochelle, 79360 Villiers en Bois, France"}]},{"given":"J","family":"Danielsen","sequence":"additional","affiliation":[{"name":"Faroe Marine Research Institute, 100 T\u00f3rshavn, Faroe Islands"}]},{"given":"F","family":"Daunt","sequence":"additional","affiliation":[{"name":"UK Centre for Ecology & Hydrology, Penicuik, EH26 0QB, UK"}]},{"given":"N","family":"Dehnhard","sequence":"additional","affiliation":[{"name":"Norwegian Institute for Nature Research, 7485 Trondheim, Norway"}]},{"given":"M","family":"Ekker","sequence":"additional","affiliation":[{"name":"Norwegian Environment Agency, 7485 Trondheim, Norway"}]},{"given":"KE","family":"Erikstad","sequence":"additional","affiliation":[{"name":"Norwegian Institute for Nature Research, Fram Centre, 9296 Troms\u00f8, 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