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Items: 26


A circannual perspective on daily and total flight distances in a long-distance migratory raptor, the Montagu's harrier, Circus pygargus.

Schlaich AE, Bouten W, Bretagnolle V, Heldbjerg H, Klaassen RHG, Sørensen IH, Villers A, Both C.

Biol Lett. 2017 Jun;13(6). pii: 20170073. doi: 10.1098/rsbl.2017.0073.


Resource tracking within and across continents in long-distance bird migrants.

Thorup K, Tøttrup AP, Willemoes M, Klaassen RH, Strandberg R, Vega ML, Dasari HP, Araújo MB, Wikelski M, Rahbek C.

Sci Adv. 2017 Jan 4;3(1):e1601360. doi: 10.1126/sciadv.1601360. eCollection 2017 Jan.


How individual Montagu's Harriers cope with Moreau's Paradox during the Sahelian winter.

Schlaich AE, Klaassen RH, Bouten W, Bretagnolle V, Koks BJ, Villers A, Both C.

J Anim Ecol. 2016 Nov;85(6):1491-1501. doi: 10.1111/1365-2656.12583. Epub 2016 Sep 19.


Optimal orientation in flows: providing a benchmark for animal movement strategies.

McLaren JD, Shamoun-Baranes J, Dokter AM, Klaassen RH, Bouten W.

J R Soc Interface. 2014 Oct 6;11(99). pii: 20140588. doi: 10.1098/rsif.2014.0588.


Migratory connectivity and population-specific migration routes in a long-distance migratory bird.

Trierweiler C, Klaassen RH, Drent RH, Exo KM, Komdeur J, Bairlein F, Koks BJ.

Proc Biol Sci. 2014 Jan 15;281(1778):20132897. doi: 10.1098/rspb.2013.2897. Print 2014 Mar 7.


Narrow-front loop migration in a population of the common cuckoo Cuculus canorus, as revealed by satellite telemetry.

Willemoes M, Strandberg R, Klaassen RH, Tøttrup AP, Vardanis Y, Howey PW, Thorup K, Wikelski M, Alerstam T.

PLoS One. 2014 Jan 8;9(1):e83515. doi: 10.1371/journal.pone.0083515. eCollection 2014.


Annual cycle and migration strategies of a trans-Saharan migratory songbird: a geolocator study in the great reed warbler.

Lemke HW, Tarka M, Klaassen RH, Åkesson M, Bensch S, Hasselquist D, Hansson B.

PLoS One. 2013 Oct 18;8(10):e79209. doi: 10.1371/journal.pone.0079209. eCollection 2013.


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

Klaassen RH, Hake M, Strandberg R, Koks BJ, Trierweiler C, Exo KM, Bairlein F, Alerstam T.

J Anim Ecol. 2014 Jan;83(1):176-84. doi: 10.1111/1365-2656.12135. Epub 2013 Sep 16.


Differences in speed and duration of bird migration between spring and autumn.

Nilsson C, Klaassen RH, Alerstam T.

Am Nat. 2013 Jun;181(6):837-45. doi: 10.1086/670335. Epub 2013 Apr 24.


Drought in Africa caused delayed arrival of European songbirds.

Tøttrup AP, Klaassen RH, Kristensen MW, Strandberg R, Vardanis Y, Lindström Å, Rahbek C, Alerstam T, Thorup K.

Science. 2012 Dec 7;338(6112):1307. doi: 10.1126/science.1227548.


Interspecific comparison of the performance of soaring migrants in relation to morphology, meteorological conditions and migration strategies.

Mellone U, Klaassen RH, García-Ripollés C, Limiñana R, López-López P, Pavón D, Strandberg R, Urios V, Vardakis M, Alerstam T.

PLoS One. 2012;7(7):e39833. doi: 10.1371/journal.pone.0039833. Epub 2012 Jul 2.


Animal orientation strategies for movement in flows.

Chapman JW, Klaassen RH, Drake VA, Fossette S, Hays GC, Metcalfe JD, Reynolds AM, Reynolds DR, Alerstam T.

Curr Biol. 2011 Oct 25;21(20):R861-70. doi: 10.1016/j.cub.2011.08.014. Review.


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

Tøttrup AP, Klaassen RH, Strandberg R, Thorup K, Kristensen MW, Jørgensen PS, Fox J, Afanasyev V, Rahbek C, Alerstam T.

Proc Biol Sci. 2012 Mar 7;279(1730):1008-16. doi: 10.1098/rspb.2011.1323. Epub 2011 Sep 7.


Great flights by great snipes: long and fast non-stop migration over benign habitats.

Klaassen RH, Alerstam T, Carlsson P, Fox JW, Lindström A.

Biol Lett. 2011 Dec 23;7(6):833-5. doi: 10.1098/rsbl.2011.0343. Epub 2011 May 25.


Convergent patterns of long-distance nocturnal migration in noctuid moths and passerine birds.

Alerstam T, Chapman JW, Bäckman J, Smith AD, Karlsson H, Nilsson C, Reynolds DR, Klaassen RH, Hill JK.

Proc Biol Sci. 2011 Oct 22;278(1721):3074-80. doi: 10.1098/rspb.2011.0058. Epub 2011 Mar 9.


Individuality in bird migration: routes and timing.

Vardanis Y, Klaassen RH, Strandberg R, Alerstam T.

Biol Lett. 2011 Aug 23;7(4):502-5. doi: 10.1098/rsbl.2010.1180. Epub 2011 Feb 9.


Geographical and temporal flexibility in the response to crosswinds by migrating raptors.

Klaassen RH, Hake M, Strandberg R, Alerstam T.

Proc Biol Sci. 2011 May 7;278(1710):1339-46. doi: 10.1098/rspb.2010.2106. Epub 2010 Oct 27.


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

Strandberg R, Klaassen RH, Hake M, Alerstam T.

Biol Lett. 2010 Jun 23;6(3):297-300. doi: 10.1098/rsbl.2009.0785. Epub 2009 Dec 2.


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

Strandberg R, Klaassen RH, Hake M, Olofsson P, Alerstam T.

Proc Biol Sci. 2009 Feb 22;276(1657):727-33. doi: 10.1098/rspb.2008.1202.


[Brant goose colonies near snowy owls: internest distances in relation to lemming and arctic fox abundance].

Kharitonov SP, Volkov AE, Willems F, van Kleef H, Klaassen RH, Nowak DJ, Nowak AI, Bublichenko AG.

Izv Akad Nauk Ser Biol. 2008 May-Jun;(3):313-23. Russian.


Prediction of bird-day carrying capacity on a staging site: a test of depletion models.

Nolet BA, Gyimesi A, Klaassen RH.

J Anim Ecol. 2006 Nov;75(6):1285-92.


Movement of foraging Tundra Swans explained by spatial pattern in cryptic food densities.

Klaassen RH, Nolet BA, Bankert D.

Ecology. 2006 Sep;87(9):2244-54.


Optimal movement between patches under incomplete information about the spatial distribution of food items.

Klaassen RH, Nolet BA, van Gils JA, Bauer S.

Theor Popul Biol. 2006 Dec;70(4):452-63. Epub 2006 Apr 25.


Exhaled air temperature as a function of ambient temperature in flying and resting ducks.

Engel S, Klaassen RH, Klaassen M, Biebach H.

J Comp Physiol B. 2006 Aug;176(6):527-34. Epub 2006 Mar 1.


Infectious parthenogenesis.

Huigens ME, Luck RF, Klaassen RH, Maas MF, Timmermans MJ, Stouthamer R.

Nature. 2000 May 11;405(6783):178-9.


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