Thomas Alerstam

2024

Recurrence, fidelity and proximity to previously visited sites throughout the annual cycle in a trans-Saharan migrant, the common cuckoo

Bonaldi, C., Vardanis, Y., Willemoes, M., Hewson, C. M., Atkinson, P. W., Nilsson, J. Å., Klaassen, R. H. G., Strandberg, R., Tøttrup, A. P., Howey, P. W., Alerstam, T. & Thorup, K., 2024, In: Journal of Avian Biology. 2024, 7-8, e03183.

Research output: Contribution to journal › Article › peer-review

Open Access

2023

Solar heating may explain extreme diel flight altitude changes in migrating birds

Sjöberg, S., Andersson, A., Bäckman, J., Hansson, B., Malmiga, G., Tarka, M., Hasselquist, D., Lindström, Å. & Alerstam, T., 2023 Oct 9, In: Current Biology. 33, 19, p. 4232-4237.e2

Research output: Contribution to journal › Article › peer-review

Open Access

2022

Activity patterns throughout the annual cycle in a long-distance migratory songbird, the red-backed shrike Lanius collurio

Macías-Torres, P., Alerstam, T., Andersson, A., Bäckman, J., Thorup, K., Tøttrup, A. P. & Sjöberg, S., 2022 Dec, In: Movement Ecology. 10, 1, 55.

Research output: Contribution to journal › Article › peer-review

Open Access

2021

Extreme altitude changes between night and day during marathon flights of great snipes

Lindström, Å., Alerstam, T., Andersson, A., Bäckman, J., Bahlenberg, P., Bom, R., Ekblom, R., Klaassen, R. H. G., Korniluk, M., Sjöberg, S. & Weber, J. K. M., 2021 Aug 9, In: Current Biology. 31, 15, p. 3433–3439

Research output: Contribution to journal › Article › peer-review

Open Access

Extreme altitudes during diurnal flights in a nocturnal songbird migrant

Sjöberg, S., Malmiga, G., Nord, A., Andersson, A., Bäckman, J., Tarka, M., Willemoes, M., Thorup, K., Hansson, B., Alerstam, T. & Hasselquist, D., 2021 May 7, In: Science. 372, 6542, p. 646-648 3 p.

Research output: Contribution to journal › Article › peer-review

Individual and sex-related patterns of prolonged flights during both day and night by great reed warblers crossing the Mediterranean Sea and Sahara Desert

Malmiga, G., Tarka, M., Alerstam, T., Hansson, B. & Hasselquist, D., 2021, In: Journal of Avian Biology. 52, 1, e02549.

Research output: Contribution to journal › Article › peer-review

2020

Remarkably similar migration patterns between different red-backed shrike populations suggest that migration rather than breeding area phenology determines the annual cycle

Pedersen, L., Onrubia, A., Vardanis, Y., Barboutis, C., Waasdorp, S., van Helvert, M., Geertsma, M., Ekberg, P., Willemoes, M., Strandberg, R., Matsyna, E., Matsyna, A., Klaassen, R. H. G., Alerstam, T., Thorup, K. & Tøttrup, A. P., 2020, In: Journal of Avian Biology. 51, 10, JAV12719.

Research output: Contribution to journal › Article › peer-review

Waders flying with folded legs – which species, when, where and why?

Lindström, Å. & Alerstam, T., 2020, In: Wader Study. 127, 2, p. 1-8 8 p.

Research output: Contribution to journal › Article › peer-review

2019

Optimal central place foraging flights in relation to wind

Alerstam, T., Bäckman, J. & Evans, T. J., 2019 Oct, In: Journal of Ornithology. 160, 4, p. 1065–1076 11 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Hypotheses and tracking results about the longest migration: The case of the arctic tern

Alerstam, T., Bäckman, J., Grönroos, J., Olofsson, P. & Strandberg, R., 2019 Sept, In: Ecology and Evolution. 9, 17, p. 9511-9531 21 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2018

Barometer logging reveals new dimensions of individual songbird migration

Sjöberg, S., Pedersen, L., Malmiga, G., Alerstam, T., Hansson, B., Hasselquist, D., Thorup, K., Tøttrup, A. P., Andersson, A. & Bäckman, J., 2018 Jun 29, In: Journal of Avian Biology. 49, 9, 9 p., e01821.

Research output: Contribution to journal › Article › peer-review

A mimicked bacterial infection prolongs stopover duration in songbirds—but more pronounced in short- than long-distance migrants

Hegemann, A., Alcalde Abril, P., Sjöberg, S., Muheim, R., Alerstam, T., Nilsson, J. Å. & Hasselquist, D., 2018, In: Journal of Animal Ecology. 87, 6, p. 1698-1708

Research output: Contribution to journal › Article › peer-review

Immune function and blood parasite infections impact stopover ecology in passerine birds

Hegemann, A., Alcalde Abril, P., Muheim, R., Sjöberg, S., Alerstam, T., Nilsson, J. Å. & Hasselquist, D., 2018, In: Oecologia. 188, 4, p. 1011-1024

Research output: Contribution to journal › Article › peer-review

Open Access

Migration distance affects stopover use but not travel speed: contrasting patterns between long- and short-distance migrating ospreys

Monti, F., Grémillet, D., Sforzi, A., Dominici, J. M., Bagur, R. T., Navarro, A. M., Fusani, L., Klaassen, R. H. G., Alerstam, T. & Duriez, O., 2018, In: Journal of Avian Biology. 49, 10, e01839.

Research output: Contribution to journal › Article › peer-review

2017

Actogram analysis of free-flying migratory birds: new perspectives based on acceleration logging

Bäckman, J., Andersson, A., Pedersen, L., Sjöberg, S., Tøttrup, A. P. & Alerstam, T., 2017 Jul, In: Journal of Comparative Physiology A. 203, 6-7, p. 543-564

Research output: Contribution to journal › Article › peer-review

Open Access

Ecological factors influence timing of departures in nocturnally migrating songbirds at Falsterbo, Sweden

Sjöberg, S., Alerstam, T., Åkesson, S. & Muheim, R., 2017 May 1, In: Animal Behaviour. 127, p. 253-269 17 p.

Research output: Contribution to journal › Article › peer-review

Activity and migratory flights of individual free-flying songbirds throughout the annual cycle: Method and first case study

Bäckman, J., Andersson, A., Alerstam, T., Pedersen, L., Sjöberg, S., Thorup, K. & Tøttrup, A. P., 2017 Feb, In: Journal of Avian Biology. 48, 2, p. 309-319

Research output: Contribution to journal › Article › peer-review

2016

Consistency in long-distance bird migration: Contrasting patterns in time and space for two raptors

Vardanis, Y., Nilsson, J.-Å., Klaassen, R. H. G., Strandberg, R. & Alerstam, T., 2016 Feb 4, In: Animal Behaviour. 113, p. 177-187

Research output: Contribution to journal › Article › peer-review

Adaptive strategies in nocturnally migrating insects and songbirds: contrasting responses to wind.

Chapman, J. W., Nilsson, C., Lim, K. S., Bäckman, J., Reynolds, D. R. & Alerstam, T., 2016, In: Journal of Animal Ecology. 85, 1, p. 115-124

Research output: Contribution to journal › Article › peer-review

The migration of the great snipe Gallinago media: Intriguing variations on a grand theme

Lindström, Å., Alerstam, T., Bahlenberg, P., Ekblom, R., Fox, J. W., Råghall, J. & Klaassen, R. H. G., 2016, In: Journal of Avian Biology. 47, 3, p. 321-334

Research output: Contribution to journal › Article › peer-review

2015

Detection of flow direction in high-flying insect and songbird migrants

Chapman, J. W., Nilsson, C., Lim, K. S., Bäckman, J., Reynolds, D. R., Alerstam, T. & Reynolds, A. M., 2015, In: Current Biology. 25, 17, p. R751-R752

Research output: Contribution to journal › Article › peer-review

Timing of nocturnal passerine migration in Arctic light conditions

Nilsson, C., Bäckman, J., Karlsson, H. & Alerstam, T., 2015, In: Polar Biology. 38, 9, p. 1453-1459

Research output: Contribution to journal › Article › peer-review

Weather and fuel reserves determine departure and flight decisions in passerines migrating across the Baltic Sea

Sjöberg, S., Alerstam, T., Åkesson, S., Schulz, A., Weidauer, A., Coppack, T. & Muheim, R., 2015, In: Animal Behaviour. 104, p. 59-68

Research output: Contribution to journal › Article › peer-review

2014

Are flight paths of nocturnal songbird migrants influenced by local coastlines at a peninsula?

Nilsson, C., Bäckman, J. & Alerstam, T., 2014, In: Current Zoology. 60, 5, p. 660-669

Research output: Contribution to journal › Article › peer-review

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Interspecific comparison of the flight performance between sparrowhawks and common buzzards migrating at the Falsterbo peninsula: A radar study

Malmiga, G., Nilsson, C., Bäckman, J. & Alerstam, T., 2014, In: Current Zoology. 60, 5, p. 670-679

Research output: Contribution to journal › Article › peer-review

Narrow-Front Loop Migration in a Population of the Common Cuckoo Cuculus canorus, as Revealed by Satellite Telemetry.

Willemoes, M., Strandberg, R., Klaassen, R., Tøttrup, A. P., Vardanis, Y., Howey, P. W., Thorup, K., Wikelski, M. & Alerstam, T., 2014, In: PLoS ONE. 9, 1, e83515.

Research output: Contribution to journal › Article › peer-review

Open Access

Seasonal modulation of flight speed among nocturnal passerine migrants: differences between short- and long-distance migrants

Nilsson, C., Bäckman, J. & Alerstam, T., 2014, In: Behavioral Ecology and Sociobiology. 68, 11, p. 1799-1807

Research output: Contribution to journal › Article › peer-review

When and where does mortality occur in migratory birds? Direct evidence from long-term satellite tracking of raptors.

Klaassen, R., Hake, M., Strandberg, R., Koks, B. J., Trierweiler, C., Exo, K.-M., Bairlein, F. & Alerstam, T., 2014, In: Journal of Animal Ecology. 83, 1, p. 176-184

Research output: Contribution to journal › Article › peer-review

Open Access

2013

Differences in Speed and Duration of Bird Migration between Spring and Autumn.

Nilsson, C., Klaassen, R. & Alerstam, T., 2013, In: American Naturalist. 181, 6, p. 837-845

Research output: Contribution to journal › Article › peer-review

Orientation of shorebirds in relation to wind: both drift and compensation in the same region

Grönroos, J., Green, M. & Alerstam, T., 2013, In: Journal of Ornithology. 154, 2, p. 385-392

Research output: Contribution to journal › Article › peer-review

Timing of songbird migration: individual consistency within and between seasons

Thorup, K., Vardanis, Y., Tottrup, A. P., Willemoes Kristensen, M. & Alerstam, T., 2013, In: Journal of Avian Biology. 44, 5, p. 486-494

Research output: Contribution to journal › Article › peer-review

2012

Drought in Africa Caused Delayed Arrival of European Songbirds

Tottrup, A. P., Klaassen, R., Willemoes Kristensen, M., Strandberg, R., Vardanis, Y., Lindström, Å., Rahbek, C., Alerstam, T. & Thorup, K., 2012, In: Science. 338, 6112, p. 1307-1307

Research output: Contribution to journal › Article › peer-review

Fine-scaled orientation changes in migrating shorebirds

Grönroos, J., Green, M. & Alerstam, T., 2012, In: Ardea. 100, 1, p. 45-53

Research output: Contribution to journal › Article › peer-review

Interspecific Comparison of the Performance of Soaring Migrants in Relation to Morphology, Meteorological Conditions and Migration Strategies

Mellone, U., Klaassen, R., Garcia-Ripolles, C., Liminana, R., Lopez-Lopez, P., Pavon, D., Strandberg, R., Urios, V., Vardakis, M. & Alerstam, T., 2012, In: PLoS ONE. 7, 7

Research output: Contribution to journal › Article › peer-review

Open Access

Movements of immature European Honey Buzzards Pernis apivorus in tropical Africa

Strandberg, R., Hake, M., Klaassen, R. H. G. & Alerstam, T., 2012, In: Ardea. 100, 2, p. 157-162

Research output: Contribution to journal › Article › peer-review

Nocturnal passerine migrants fly faster in spring than in autumn: a test of the time minimization hypothesis

Karlsson, H., Nilsson, C., Bäckman, J. & Alerstam, T., 2012, In: Animal Behaviour. 83, 1, p. 87-93

Research output: Contribution to journal › Article › peer-review

The annual cycle of a trans-equatorial Eurasian-African passerine migrant: different spatio-temporal strategies for autumn and spring migration

Tottrup, A. P., Klaassen, R., Strandberg, R., Thorup, K., Willemoes Kristensen, M., Jorgensen, P. S., Fox, J., Afanasyev, V., Rahbek, C. & Alerstam, T., 2012, In: Royal Society of London. Proceedings B. Biological Sciences. 279, 1730, p. 1008-1016

Research output: Contribution to journal › Article › peer-review

To fly or not to fly depending on winds: shorebird migration in different seasonal wind regimes

Grönroos, J., Green, M. & Alerstam, T., 2012, In: Animal Behaviour. 83, 6, p. 1449-1457

Research output: Contribution to journal › Article › peer-review

Where on earth can animals use a geomagnetic bi-coordinate map for navigation?

Boström, J., Åkesson, S. & Alerstam, T., 2012, In: Ecography. 35, 11, p. 1039-1047

Research output: Contribution to journal › Article › peer-review

2011

Open Access

2010

Compensation for wind drift by migrating swifts

Karlsson, H., Henningsson, P., Bäckman, J., Hedenström, A. & Alerstam, T., 2010, In: Animal Behaviour. 80, 3, p. 399-404

Research output: Contribution to journal › Article › peer-review

Exaggerated orientation scatter of nocturnal passerine migrants close to breeding grounds: comparisons between seasons and latitudes

Karlsson, H., Bäckman, J., Nilsson, C. & Alerstam, T., 2010, In: Behavioral Ecology and Sociobiology. 64, 12, p. 2021-2031

Research output: Contribution to journal › Article › peer-review

How hazardous is the Sahara Desert crossing for migratory birds? Indications from satellite tracking of raptors.

Strandberg, R., Klaassen, R., Hake, M. & Alerstam, T., 2010, In: Biology letters. 6, p. 297-300

Research output: Contribution to journal › Article › peer-review

Open Access

Loop migration in adult marsh harriers Circus aeruginosus, as revealed by satellite telemetry

Klaassen, R., Strandberg, R., Hake, M., Olofsson, P., Tottrup, A. P. & Alerstam, T., 2010, In: Journal of Avian Biology. 41, 2, p. 200-207

Research output: Contribution to journal › Article › peer-review

Migratory and resident blue tits Cyanistes caeruleus differ in their reaction to a novel object

Nilsson, A. L. K., Nilsson, J.-Å., Alerstam, T. & Bäckman, J., 2010, In: Naturwissenschaften. 97, 11, p. 981-985

Research output: Contribution to journal › Article › peer-review

Thomas Alerstam

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