Migration of the Common Redstart (<i>Phoenicurus phoenicurus</i>)

Willemoes, Mikkel; Tøttrup, Anders P.; Thorup, Kasper

doi:10.1525/auk.2013.13001

Cited by 61 publications

(25 citation statements)

References 29 publications

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“…Arrival of birds from the northern and central European populations was almost identical, pointing towards timing for early arrival being independent of actual spring proxies at the final breeding destination (contrary to pattern found i.e., in Common Nightingales (Luscinia megarhynchos), Emmenegger et al 2014). Nonetheless, the low variation in arrival dates of redstart males (all CH and six of seven DK birds) across the two populations is in line with expectations of strong selection for early arrival at breeding grounds (Kokko 1999), probably to enhance occupation of breeding territories (Sirot and Touzalin 2014), mating potentials and therefore fitness. Furthermore, birds might adjust their pace of migration dependent on local environmental conditions encountered en route, and these cues might be the same for both study populations if they stop over in nearby regions.…”

Section: Environmental Conditions and Arrivals At Breeding Groundssupporting

confidence: 75%

“…If migrants are not able to increase the migration speed after late departure, this will result in a later arrival at the breeding ground (Nilsson et al 2013). This might affect the performance in subsequent periods, as selection for early arrival in spring is strong (Kokko 1999), because early arriving individuals can gain benefit from enhanced mating potential (Møller 2004) and have access to unoccupied territories with optimal breeding conditions (Sirot and Touzalin 2014). Finally, optimal arrival at breeding sites in spring also guarantees the matching of temporal food requirement of nestlings with the peak in food abundance, at least in insectivorous species in northern Europe (Siikamäki 1998).…”

Section: Introductionmentioning

confidence: 99%

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Timing of migration in Common Redstarts (Phoenicurus phoenicurus) in relation to the vegetation phenology at residence sites

Gersten

Hahn

2016

J Ornithol

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Timing the annual cycle according to local conditions is crucial for animals in seasonal environments, because individual resource requirements must match seasonal resource availabilities. Pre-nuptial spring migration is especially time constrained in many migratory species, and thus tight adjustments of departure and arrival times to local environmental conditions can be expected. We determined non-breeding residences of Common Redstarts, an insectivorous Palearctic-African migrant, from a central European population. Non-breeding residencies of three out of four males were located in the northern Sahel of WestAfrica; a single individual did not cross the Sahara desert, but spent the non-breeding season in Northern Africa instead. Additionally, we related local vegetation phenology and the timing of spring migration in a central and a northern European population differing largely in breeding site latitude. The arrival at and departure from the African sites was similar in birds from the central and the northern population. Departure from the non-breeding sites was not related to seasonal deterioration of vegetation. Birds from both populations arrived at their distant breeding grounds in the same time period. Since spring green-up times differed greatly, birds from the two populations encounter different phenological conditions at arrival. The missing relation between vegetation phenology and migration timing may indicate that spring migration in redstarts is triggered by other factors than vegetation development at least at the non-breeding sites. A general cue such as local photoperiod might be the candidate factor, which would also explain the small variation between the populations.

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Section: Environmental Conditions and Arrivals At Breeding Groundssupporting

confidence: 75%

Section: Introductionmentioning

confidence: 99%

Timing of migration in Common Redstarts (Phoenicurus phoenicurus) in relation to the vegetation phenology at residence sites

Gersten

Hahn

2016

J Ornithol

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“…The southwest autumn migration route from Europe to West Africa which turns anticlockwise after reaching the Sahel and with stopovers before and after the desert crossing is likely a common migration pattern for West European birds [15, 17–19] and following the coast rather than crossing the Sahara directly is presumably safer. The willow warblers wintered in the Savannah zone, which is well documented as the main wintering area [28].…”

Section: Discussionmentioning

confidence: 99%

“…In West Africa, migration along the coast apparently occurs in several species, including passerines [11, 15, 16], only turning inland after reaching the Sahel [17–19]. Circumventing the Sahara along the coast is a relatively short route [20] and potentially allows a safe Sahara crossing with opportunities for foraging, drinking and predator avoidance.…”

Section: Introductionmentioning

confidence: 99%

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No apparent gain from continuing migration for more than 3000 kilometres: willow warblers breeding in Denmark winter across the entire northern Savannah as revealed by geolocators

et al. 2017

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BackgroundFor most Afro-Palearctic migrants, particularly small songbirds, spatiotemporal migration schedules and migratory connectivity remain poorly understood. We mapped migration from breeding through winter of one of the smallest Afro-Palearctic migrants, the willow warbler Phylloscopus trochilus, using geolocators (n = 15).ResultsBirds migrated from North European breeding grounds to West Africa via the Iberian Peninsula following a narrow corridor along the West Coast of Africa. Birds then dispersed across the northern Savannah with termination of migration highly variable among individuals. The termination of migration appeared not to be related to timing, current and previous years’ vegetation conditions or biometrics. During winter, most birds moved southwards to improved vegetation.ConclusionThe willow warblers showed a large, unexpected longitudinal spread in winter sites of more than 3000 km between individuals breeding within a 500 m range resulting in a low degree of connectivity. The large wintering area may well be related to generalist behaviour in the species. Our findings contribute to understanding the link between breeding and wintering ecology in long-distance migratory birds.Electronic supplementary materialThe online version of this article (10.1186/s40462-017-0109-x) contains supplementary material, which is available to authorized users.

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Variable detours in long‐distance migration across ecological barriers and their relation to habitat availability at ground

Hahn

Emmenegger

Lisovski

et al. 2014

Ecology and Evolution

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Migration detours, the spatial deviation from the shortest route, are a widespread phenomenon in migratory species, especially if barriers must be crossed. Moving longer distances causes additional efforts in energy and time, and to be adaptive, this should be counterbalanced by favorable condition en route. We compared migration patterns of nightingales that travelled along different flyways from their European breeding sites to the African nonbreeding sites. We tested for deviations from shortest routes and related the observed and expected routes to the habitat availability at ground during autumn and spring migration. All individuals flew detours of varying extent. Detours were largest and seasonally consistent in western flyway birds, whereas birds on the central and eastern flyways showed less detours during autumn migration, but large detours during spring migration (eastern flyway birds). Neither migration durations nor the time of arrival at destination were related to the lengths of detours. Arrival at the breeding site was nearly synchronous in birds flying different detours. Flying detours increased the potential availability of suitable broad-scale habitats en route only along the western flyway. Habitat availability on observed routes remained similar or even decreased for individuals flying detours on the central or the eastern flyway as compared to shortest routes. Thus, broad-scale habitat distribution may partially explain detour performance, but the weak detour-habitat association along central and eastern flyways suggests that other factors shape detour extent regionally. Prime candidate factors are the distribution of small suitable habitat patches at local scale as well as winds specific for the region and altitude.

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Migration of the Common Redstart (Phoenicurus phoenicurus)

Cited by 61 publications

References 29 publications

Timing of migration in Common Redstarts (Phoenicurus phoenicurus) in relation to the vegetation phenology at residence sites

Timing of migration in Common Redstarts (Phoenicurus phoenicurus) in relation to the vegetation phenology at residence sites

No apparent gain from continuing migration for more than 3000 kilometres: willow warblers breeding in Denmark winter across the entire northern Savannah as revealed by geolocators

Variable detours in long‐distance migration across ecological barriers and their relation to habitat availability at ground

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