Thomas Alerstam

Search results

• 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

  • Airspeed 100%
  • Wind Speed 69%
  • Flight 69%
  • Heading 69%
  • Autumn 46%

• 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

  • Autumn 100%
  • Spring 100%
  • Breeding Site 100%
  • Flight 83%
  • Wind 66%

• 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

  • Risk 100%
  • Migrant 100%
  • European Honey Buzzard 100%
  • Adult 49%
  • Investigation 49%

• 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

  • Adult 100%
  • Marshland 100%
  • Loop 100%
  • Satellites 100%
  • Telemetry 100%

• 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

  • Novels 100%
  • Resident 100%
  • Blue 100%
  • Cyanistes Caeruleus 100%
  • Behavior (Neuroscience) 100%
• 2009

  Converging migration routes of Eurasian hobbies Falco subbuteo crossing the African equatorial rain forest.

  Strandberg, R., Klaassen, R., Hake, M., Olofsson, P. & Alerstam, T., 2009, In: Royal Society of London. Proceedings B. Biological Sciences. 276, 1657, p. 727-733

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

  Open Access

  • Crossing 100%
  • African 100%
  • Falcon 100%
  • Birds 40%
  • Area 20%

• Daily travel schedules of adult Eurasian Hobbies Falco subbuteo - variability in flight hours and migration speed along the route

  Strandberg, R., Klaassen, R., Olofsson, P. & Alerstam, T., 2009, In: Ardea. 97, 3, p. 287-295

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

  • Flight 100%
  • Falcon 100%
  • Desert 37%
  • Diptera 37%
  • Forage 37%

• Flight by night or day? Optimal daily timing of bird migration.

  Alerstam, T., 2009, In: Journal of Theoretical Biology. 258, 4, p. 530-536

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

  • Birds 100%
  • Flight 100%
  • Diptera 20%
  • Forage 20%
  • Animals 10%

• Flight speeds of swifts (Apus apus): Seasonal differences smaller than expected

  Henningsson, P., Karlsson, H., Bäckman, J., Alerstam, T. & Hedenström, A., 2009, In: Comparative Biochemistry and Physiology A-Molecular & Integrative Physiology. 153A, 2, p. S101-S101

  Research output: Contribution to journal › Published meeting abstract › peer-review

• Flight speeds of swifts (Apus apus): seasonal differences smaller than expected.

  Henningsson, P., Karlsson, H., Bäckman, J., Alerstam, T. & Hedenström, A., 2009, In: Royal Society of London. Proceedings B. Biological Sciences. 276, p. 2395-2401

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

  • Flight 100%
  • Apus 100%
  • Lower Energy 100%
  • Small Difference 100%
  • Prediction 50%

• Radar Observations of Arctic Bird Migration in the Beringia Region

  Hedenström, A., Alerstam, T., Bäckman, J., Gudmundsson, G. A., Henningsson, S., Karlsson, H., Rosén, M. & Strandberg, R., 2009, In: Arctic. 62, 1, p. 25-37

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

  • Birds 100%
  • Radar 100%
  • Area 66%
  • Wind 50%
  • Breeding 33%

• Short-distance migration of the Common Buzzard Buteo buteo recorded by satellite tracking

  Strandberg, R., Alerstam, T., Hake, M. & Kjellén, N., 2009, In: Ibis. 151, 1, p. 200-206

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

• Skipping the Baltic: the emergence of a dichotomy of alternative spring migration strategies in Russian barnacle geese

  Eichhorn, G., Drent, R. H., Stahl, J., Leito, A. & Alerstam, T., 2009, In: Journal of Animal Ecology. 78, 1, p. 63-72

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

  • Dichotomy 100%
  • Spring 100%
  • Increasing 33%
  • Proportion 33%
  • Resource Exploitation 33%
• 2008

  Complex timing of Marsh Harrier Circus aeruginosus migration due to pre- and post-migratory movements

  Strandberg, R., Klaassen, R., Hake, M., Olofsson, P., Thorup, K. & Alerstam, T., 2008, Ardea, 96, 2, p. 159-171.

  Research output: Contribution to specialist publication or newspaper › Specialist publication article › Popular science

  File

  • Autumn 100%
  • Spring 100%
  • Circus Aeruginosus 100%
  • Osprey 100%
  • Area 66%
  429 Downloads (Pure)

• Diffuse, short and slow migration among Blue Tits

  Nilsson, A., Alerstam, T. & Nilsson, J.-Å., 2008, In: Journal of Ornithology. 149, 3, p. 365-373

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

  • Cyanistes Caeruleus 100%
  • Birds 57%
  • Winter 28%
  • Area 14%
  • Autumn 14%

• Does migration promote or restrict circumpolar breeding ranges of arctic birds?

  Henningsson, S. & Alerstam, T., 2008, In: Journal of Biogeography. 35, 5, p. 781-790

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

  • Birds 100%
  • Breeding 100%
  • Winter 61%
  • Habitat 23%
  • Cladistics 15%

• ECOLOGY: Give Way to the Migrants

  Alerstam, T., 2008, In: Science. 319, 5863, p. 572-572

  Research output: Contribution to journal › Review (Book/Film/Exhibition/etc.)

• Effects of wind and weather on red admiral, Vanessa atalanta, migration at a coastal site in southern Sweden

  Brattström, O., Kjellén, N., Alerstam, T. & Åkesson, S., 2008, In: Animal Behaviour. 76, p. 335-344

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

  • Weather 100%
  • Autumn 100%
  • Wind 100%
  • Flight 66%
  • Area 33%

• Flexibility in daily travel routines causes regional variation in bird migration speed

  Klaassen, R., Strandberg, R., Hake, M. & Alerstam, T., 2008, In: Behavioral Ecology and Sociobiology. 62, 9, p. 1427-1432

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

  • Birds 100%
  • Flight 100%
  • Osprey 100%
  • Benefits 100%
  • Habitat 20%

• Great-Circle Migration Of Arctic Passerines

  Alerstam, T., Bäckman, J., Strandberg, R., Gudmundsson, G. A., Hedenström, A., Henningsson, S., Karlsson, H. & Rosén, M., 2008, In: The Auk. 125, 4, p. 831-838

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

  • Birds 100%
  • Flight 100%
  • Winter 66%
  • Evolution 33%
  • Radar 33%

• The role of migration for spatial turnover of arctic bird species in a circumpolar perspective

  Henningsson, S. & Alerstam, T., 2008, In: Oikos. 117, 11, p. 1619-1628

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

  • Birds 100%
  • Breeding 66%
  • Winter 50%
  • Habitat 50%
  • Climate 16%
• 2007

  A polar system of intercontinental bird migration

  Alerstam, T., Bäckman, J., Gudmundsson, G. A., Hedenström, A., Henningsson, S., Karlsson, H., Rosén, M. & Strandberg, R., 2007, In: Royal Society of London. Proceedings B. Biological Sciences. 274, 1625, p. 2523-2530

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

  Open Access

  • Birds 100%
  • Beringia 57%
  • Flight 57%
  • Arctic Ocean 42%
  • Investigation 28%

• Flight speeds among bird species: allometric and phylogenetic effects

  Alerstam, T., Rosén, M., Bäckman, J., Ericson, P. & Hellgren, O., 2007, In: PLoS Biology. 5, 8, p. 1656-1662

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

  Open Access

  • Birds 100%
  • Cladistics 100%
  • Flight 100%
  • Wing 40%
  • Evolution 20%

• The strategy of fly-and-forage migration, illustrated for the osprey (Pandion haliaetus)

  Strandberg, R. & Alerstam, T., 2007, In: Behavioral Ecology and Sociobiology. 61, 12, p. 1865-1875

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

  • Diptera 100%
  • Forage 100%
  • Osprey 100%
  • Birds 71%
  • Flight 42%
• 2006

  Bird migration and species diversity under polar conditions: the Siberian – American migration systems

  Alerstam, T., Bäckman, J., Gudmundsson, G., Hedenström, A., Henningsson, S., Karlsson, H., Rosén, M. & Strandberg, R., 2006, In: Polarforskningssekretariatets årsbok. 2005, p. 116-120

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

  File
  338 Downloads (Pure)

• Conflicting evidence about long-distance animal navigation

  Alerstam, T., 2006, In: Science. 313, 5788, p. 791-794

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

  • Fauna 100%
  • Animals 100%
  • Genetics 50%
  • Experiment 25%
  • Map 25%

• Do migratory flight paths of raptors follow constant geographical or geomagnetic courses?

  Thorup, K., Fuller, M., Alerstam, T., Hake, M., Kjellén, N. & Strandberg, R., 2006, In: Animal Behaviour. 72, 4, p. 875-880

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

  • Flight 100%
  • Osprey 100%
  • European Honey Buzzard 100%
  • Raptor 100%
  • Migration Movement 100%

• Do partial and regular migrants differ in their responses to weather?

  Nilsson, A., Alerstam, T. & Nilsson, J.-Å., 2006, In: The Auk. 123, 2, p. 537-547

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

  • Cyanistes Caeruleus 100%
  • Weather 60%
  • Europeans 20%
  • Flight 20%
  • Carduelis 20%

• Implications of migratory connectivity for species' ranges and subspeciation of arctic shorebirds

  Henningsson, S. & Alerstam, T., 2006, In: Ardea. 94, 3, p. 499-509

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

  • Breeding 100%
  • Winter 66%
  • Flyway 22%
  • Birds 11%

• Obituary Gustaf Rudebeck (1913–2005)

  Alerstam, T., 2006, In: Ibis. 148, 3, p. 608-609

  Research output: Contribution to journal › Article

• Strategies for the transition to breeding in time-selected migration

  Alerstam, T., 2006, In: Ardea. 94, 3, p. 347-357

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

  • Breeding 100%
  • Birds 57%
  • Flight 57%
  • Breeding Site 57%
  • Osprey 28%

• Temporal and spatial patterns of repeated migratory journeys by ospreys

  Alerstam, T., Hake, M. & Kjellén, N., 2006, In: Animal Behaviour. 71, 3, p. 555-566

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

  • Goal 100%
  • Osprey 100%
  • Autumn 80%
  • Spring 80%
  • Region 75%

• Traveling or stopping of migrating birds in relation to wind: an illustration for the osprey

  Thorup, K., Alerstam, T., Hake, M. & Kjellén, N., 2006, In: Behavioral Ecology. 17, 3, p. 497-502

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

  Open Access

  • Birds 100%
  • Wind 100%
  • Osprey 100%
  • Weather 30%
  • Fuel 20%

• Wind-dependent foraging flight in the Osprey Pandion haliaetus

  Strandberg, R., Alerstam, T. & Hake, M., 2006, In: Ornis Svecica. 16, 3, p. 150-163

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

  • Wind 100%
  • Wind Speed 100%
  • Flight 100%
  • Osprey 100%
  • Females 33%
• 2005

  Barriers and distances as determinants for the evolution of bird migration links: the arctic shorebird system

  Henningsson, S. & Alerstam, T., 2005, In: Royal Society of London. Proceedings B. Biological Sciences. 272, 1578, p. 2251-2258

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

  Open Access

  File

  • Birds 100%
  • Breeding 100%
  • Evolution 100%
  • Winter 75%
  • Tundra 75%
  211 Downloads (Pure)

• Patterns and determinants of shorebird species richness in the circumpolar Arctic

  Henningsson, S. & Alerstam, T., 2005, In: Journal of Biogeography. 32, 3, p. 383-396

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

  • Tundra 100%
  • Breeding 85%
  • Flyway 71%
  • Area 57%
  • Primary Productivity 57%

• The geometry of bird migration routes: a review of theoretical simulation studies

  Alerstam, T., 2005, Proceedings conference RIN05- Animal Navigation. Royal Institute of Navigation, London, p. 10pages (paper no 33) 10 p.

  Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding

  File
  1020 Downloads (Pure)
• 2004

  Do Arctic waders use adaptive wind drift?

  Green, M., Alerstam, T., Gudmundsson, G. A., Hedenström, A. & Piersma, T., 2004, In: Journal of Avian Biology. 35, 4, p. 305-315

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

  File

  • Data Set 100%
  • Sweden 66%
  • Canada 66%
  • Mauritania 66%
  • Wind Velocity 66%
  302 Downloads (Pure)
• 2003

  Age-dependent migration strategy in honey buzzards Pernis apivorus tracked by satellite

  Hake, M., Kjellén, N. & Alerstam, T., 2003, In: Oikos. 103, 2, p. 385-396

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

  File

  • Satellites 100%
  • European Honey Buzzard 100%
  • Juvenile 37%
  • Route 37%
  • Autumn 25%
  975 Downloads (Pure)

• Animal behaviour - The lobster navigators

  Alerstam, T., 2003, In: Nature. 421, 6918, p. 27-28

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

  • Map 100%
  • Act 100%
  • Invertebrate 100%

• Bird migration speed

  Alerstam, T., 2003, Avian migration. Berthold, P., Gwinner, E. & Sonnenschein, E. (eds.). Springer, p. 253-267

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  • Birds 100%

• Bird orientation: compensation for wind drift in migrating raptors is age dependent

  Thorup, K., Alerstam, T., Hake, M. & Kjellén, N., 2003, In: Royal Society of London. Proceedings B. Biological Sciences. 270, suppl. 1, p. S8-S11

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

  Open Access

  File

  • Birds 100%
  • Wind 100%
  • Raptor 100%
  • Juvenile 36%
  • Osprey 18%
  337 Downloads (Pure)

• Can vector summation describe the orientation system of juvenile ospreys and honey buzzards? - An analysis of ring recoveries and satellite tracking

  Thorup, K., Alerstam, T., Hake, M. & Kjellén, N., 2003, In: Oikos. 103, 2, p. 350-359

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

  File

  • Satellites 100%
  • Osprey 100%
  • European Honey Buzzard 100%
  • Birds 28%
  • Winter 14%
  333 Downloads (Pure)

• Compass orientation and possible migration routes of passerine birds at high arctic latitudes

  Muheim, R., Åkesson, S. & Alerstam, T., 2003, In: Oikos. 103, 2, p. 341-349

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

  File

  • Birds 100%
  • Arctic 100%
  • Breeding 25%
  • Cage 25%
  • Area 12%
  256 Downloads (Pure)

• Ecology of long-distance movements: migration and orientation performance

  Hedenström, A., Alerstam, T. & Åkesson, S., 2003, In: Oikos. 103, 2, p. 243-245

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

  • Ecology 100%

• Energy limitations for spring migration and breeding: the case of brent geese Branta bernicla tracked by satellite telemetry to Svalbard and Greenland

  Clausen, P., Green, M. & Alerstam, T., 2003, Oikos. Wiley-Blackwell, Vol. 103. p. 426-445

  Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › peer-review

  File

  • Birds 100%
  • Breeding 100%
  • Spring 100%
  • Satellites 100%
  • Flight 100%
  372 Downloads (Pure)

• Long-distance migration: evolution and determinants

  Alerstam, T., Hedenström, A. & Åkesson, S., 2003, In: Oikos. 103, 2, p. 247-260

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

  File

  • Evolution 100%
  • Locomotion 100%
  • Migration 100%
  • Cost 66%
  • Flexibility 66%
  2348 Downloads (Pure)

• Orientation scatter of free-flying nocturnal passerine migrants: components and causes

  Bäckman, J. & Alerstam, T., 2003, In: Animal Behaviour. 65, 5, p. 987-996

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

  • Autumn 100%
  • Heading 100%
  • Spring 83%
  • Birds 66%
  • Wind 66%
• 2002

  Adaptive variation of airspeed in relation to wind, altitude and climb rate by migrating birds in the Arctic

  Hedenström, A., Alerstam, T., Green, M. & Gudmundsson, G., 2002, In: Behavioral Ecology and Sociobiology. 52, 4, p. 308-317

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

  • Birds 100%
  • Wind 100%
  • Flight 66%
  • Prediction 50%
  • Total Variation 50%

• Dark-bellied Brent Geese Branta bernicla bernicla, as recorded by satellite telemetry, do not minimize flight distance during spring migration

  Green, M., Alerstam, T., Clausen, P., Drent, R. & Ebbinge, R. S., 2002, In: Ibis. 144, 1, p. 106-121

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

  File

  • Spring 100%
  • Satellites 100%
  • Flight 100%
  • Telemetry 100%
  • Male 50%
  457 Downloads (Pure)