Switzerland Biel - Long term study on migratory movement of Alpine swifts (Apus melba)-tracks

Citation
Meier CM, Liechti F. Switzerland Biel - Long term study on migratory movement of Alpine swifts (Apus melba)-tracks. Movebank Data Repository. https://doi.org/10.5441/001/1.k4g9f2n2/3
Abstract
For migratory birds optimal timing of the onset of reproduction is vital, especially when suitable conditions for reproduction occur only for a short while during the year. With increasing latitude the suitable period becomes shorter and we expect the organization of annual cycle to be more synchronized to the local conditions across individuals of same population. This should result in low variation of arrival and departure date in breeding sites at higher latitudes. We quantify the temporal and geographical variation in pre‐ and post‐breeding migration between individuals from four different populations of alpine swifts Tachymarptis melba along a latitudinal gradient. We tracked 215 individuals in three years with geolocators. The two western and two eastern populations showed separate migratory flyways and places of residence in Africa. Length of stay at the breeding sites was negatively correlated with latitude and differed by more than a month between populations. Duration of migration was similarly short in all populations (median 6.2 days in autumn and 8.7 days in spring). However, variation in timing of migration was unrelated to latitude and individuals everywhere arrived in the same asynchrony at the breeding site.
Keywords
alpine swift,animal movement,animal tracking,annual cycle,Apus melba,avian migration,geolocator,light-level logger,Tachymarptis melba
Taxa
Sensors
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BibTex
@misc{001/1_k4g9f2n2/3,
  title = {Switzerland Biel - Long term study on migratory movement of Alpine swifts (Apus melba)-tracks},
  author = {Meier, CM and Liechti, F},
  URL = {http://dx.doi.org/10.5441/001/1.k4g9f2n2/3},
  doi = {doi:10.5441/001/1.k4g9f2n2/3},
  publisher = {Movebank data repository}
}
RIS
TY  - DATA
ID  - doi:10.5441/001/1.k4g9f2n2/3
T1  - Switzerland Biel - Long term study on migratory movement of Alpine swifts (Apus melba)-tracks
AU  - Meier, Christoph M.
AU  - Liechti, Felix
KW  - alpine swift
KW  - animal movement
KW  - animal tracking
KW  - annual cycle
KW  - Apus melba
KW  - avian migration
KW  - geolocator
KW  - light-level logger
KW  - Tachymarptis melba
KW  - Apus melba
PB  - Movebank data repository
UR  - http://dx.doi.org/10.5441/001/1.k4g9f2n2/3
DO  - doi:10.5441/001/1.k4g9f2n2/3
ER  - 
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