Timing and Speed of Migration in North and West European Populations of Sylvia Warblers

Fransson, Thord

doi:10.2307/3677211

Cited by 142 publications

(138 citation statements)

References 25 publications

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“…Using an array of automated radio-telemetry receiving stations, we confirmed long-held predictions that blackpolls exhibit prolonged stopover in the GOM during fall migration (Nisbet et al 1963, 1995, Nisbet 1970 Delmore et al 2012). Blackpolls and vireos also exhibited lower movement rates throughout the study area than typically reported for long-distance migrants from banding (60 km day À1 ; Ellegren 1993) or geolocator studies (68-473 km day À1 ; Fraser et al 2013), which suggests that birds were predominantly stopped while in our study area.…”

Section: Discussionsupporting

confidence: 52%

“…The seasonal increase in migration rate that we documented in vireos has been seen in several other long-distance migrants and indicates that later migrants may prioritize time more than earlier conspecifics (Ellegren 1993, Fransson 1995, Gómez et al 2017. Indeed, later conspecifics of these vireos also departed from the capture site in an overwater trajectory more frequently, indicating a time-minimizing tendency for more direct travel (Smetzer et al 2017).…”

Section: Discussionmentioning

confidence: 71%

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Prolonged stopover and consequences of migratory strategy on local-scale movements within a regional songbird staging area

Smetzer

King

2018

The Auk

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Section: Discussionsupporting

confidence: 52%

Section: Discussionmentioning

confidence: 71%

Prolonged stopover and consequences of migratory strategy on local-scale movements within a regional songbird staging area

Smetzer

King

2018

The Auk

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“…This is in contrast to the two existing studies that compare spring and autumn migration speeds in European passerines: Fransson (1995) * One value which may be considered as an outlier removed (cf. Fig.…”

Section: Discussioncontrasting

confidence: 41%

Continental efforts: migration speed in spring and autumn in an inner‐Asian migrant

Raess¹

2008

Journal of Avian Biology

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Migration speed in passerines is generally assumed to be higher in spring than in autumn. So far this has been only shown for the western Palaearctic‐Afrotropic migration system. I compiled published records of the movements of Siberian stonechats Saxicola torquata maura in Central and northern Asia to reconstruct their spatiotemporal movement patterns in this region and to estimate migration speed in spring and autumn. My estimate of spring migration speed in the Siberian stonechats does not differ from that in autumn and is lower than the reported spring migration speeds in European passerines. Northward progression of Siberian stonechats seems to be constrained by the prevailing environmental conditions, as indicated by low temperatures and vegetation indices. Low food availability at stopover and the obstruction of the migration route by steep environmental gradients may apply also to other migratory species in the area.

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“…The Garden Warbler is known for its seasonal frugivory (Bairlein, 2002) where figs Ficus carica provide an important food source when fuelling in autumn in the Mediterranean region (Thomas, 1979;Fransson et al, 2008). Garden Warblers show an age-related difference in timing of autumn migration, where adult birds depart ahead of first-year birds (Fransson, 1995;Barboutis, 2010;Iwajomo et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Fuelling in front of the barrier - are there age based behavioral differences in Garden Warblers Sylvia borin?

Barboutis

Henshaw

Kullberg

et al. 2014

Preprint

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Fuelling in front of the barrier -are there age based behavioral diffrences in Garden Warblers Sylvia borin?Garden Warblers Sylvia borin were studied during autumn stopover in Crete before crossing the barrier of the Mediterranean Sea and the Sahara desert. Birds followed with transmitters show extensive stopover periods, which were longer in first-year birds, 16 days, compared with adult birds, 14 days. The distribution of body masses from birds trapped in fig trees were used to estimate the departure body mass and the results found indicate that both age categories on average depart with a fuel load close to 100% of lean body mass. The movement of transmitter birds shows differences between first-year and adult birds. Adult birds move further away from the release site and many also left the study area. Several were found settled outside the study area, up to 17 km away, indicating that they regularly make longer stopover movements. It is suggested that this might be a result of that they return to a place where they stayed during an earlier migration. It was shown that stopover site fidelity exists and nine garden warblers were recaptured in the area during a following autumn. The results found high-lights the importance of stopover areas close to the Sahara desert.PeerJ PrePrints | http://dx.doi.org/10.7287/peerj.preprints.244v1 | CC-BY 3.0

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Timing and Speed of Migration in North and West European Populations of Sylvia Warblers

Cited by 142 publications

References 25 publications

Prolonged stopover and consequences of migratory strategy on local-scale movements within a regional songbird staging area

Prolonged stopover and consequences of migratory strategy on local-scale movements within a regional songbird staging area

Continental efforts: migration speed in spring and autumn in an inner‐Asian migrant

Fuelling in front of the barrier - are there age based behavioral differences in Garden Warblers Sylvia borin?

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