Movement and mortality of British‐ringed Skylarks<i>Alauda arvensis</i>

Dougall, Tom W.

doi:10.1080/03078698.1996.9674122

Cited by 12 publications

(6 citation statements)

References 11 publications

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“…Birds of open farmland usually move to snow-free areas at such times (Clark & Sellers 1998b, Dougall 1996. This study found several negative associations with frost, and the study areas themselves were mostly in low-lying coastal areas with mild winters.…”

Section: Implications Of Winter Weather Conditionsmentioning

confidence: 79%

Winter habitat associations of seed-eating passerines on Scottish farmland

Hancock¹,

Wilson²

2003

Bird Study

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Section: Implications Of Winter Weather Conditionsmentioning

confidence: 79%

Winter habitat associations of seed-eating passerines on Scottish farmland

Hancock¹,

Wilson²

2003

Bird Study

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“…Our data suggest that both natal and breeding dispersal occur over limited distances in Dutch Skylarks and thus our conclusions on migration strategies are unlikely influenced by long dispersal distances. High site fidelity in Skylarks to both natal and breeding area has been described earlier (Duncan 1987, Wolfenden 1990cited in Dougall 1999, Dougall 1996, Paradis et al 1998, Wernham et al 2002. Locally-wintering Dutch-breeding Skylarks are accompanied during winter by birds from the north and east, as shown by recoveries of birds ringed in winter.…”

Section: Discussionmentioning

confidence: 93%

Are Dutch Skylarks Partial Migrants? Ring Recovery Data and Radio-Telemetry Suggest Local Coexistence of Contrasting Migration Strategies

Hegemann

Jeugd²,

Graaf

et al. 2010

Ardea

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In western Europe, farmland birds have declined in recent decades by almost 50% (BirdLife International 2004, EBCC 2009, PECBMS 2009. While declines are frequently associated with changed or changing conditions during the breeding season and deterioration of the breeding habitat (Newton 2004, Donald et al. 2006, the importance of factors operating outside the breeding season is less clear. However, the general change in agricultural practise from summer to winter cereal and the subsequent loss of overwintering stubble fields is thought to reduce food supply in winter and could reduce survival rates (Donald et al. 2001, Newton 2004, Siriwardena et al. 2007, 2008.In The Netherlands, the Skylark Alauda arvensis is one of the farmland species with the steepest decline: numbers dropped by almost 95% from around 700,000Are Dutch Skylarks partial migrants? Ring recovery data and radio-telemetry suggest local coexistence of contrasting migration strategies In recent years, Skylarks Alauda arvensis have undergone dramatic population declines in many European countries. Evidence exists for deteriorating conditions during the breeding season, but little is known about the situation during the rest of the annual cycle. Here we use two approaches to test if the Dutch breeding population of Skylarks consists of resident and/or migratory individuals. First, we present an analysis of ring recoveries from the Dutch Ringing Centre "Vogeltrekstation". Out of 25 recoveries, 12 Skylarks were resident in winter, 10 migrated and three were classified as probable migrants. Resident birds were accompanied during winter by birds from northern and eastern Europe. Very limited natal and breeding dispersal recorded in the same dataset suggests that our results were not influenced by long dispersal distances. Next, we compared these results to a local radio-telemetry study in the northern Netherlands. During two different years we equipped a total of 27 Skylarks from a breeding population with radio-transmitters and followed them during the subsequent winter. Four birds were found to winter locally. Out of 23 individuals that we did not find in winter, 14 returned in the following breeding season to the study area, all with a working transmitter, suggesting that they wintered outside our study area. Two ring recoveries of birds from the same study population indeed showed migration to south-west Europe. Based on these two lines of evidence, we conclude local coexistence of a resident and a migrant strategy in Dutch Skylarks. The findings of our study are important for the planning of conservation efforts, as we can only protect this rapidly declining species when we know their behaviour and whereabouts throughout the entire annual cycle. (Teixeira 1979, SOVON 2002, van Dijk et al. 2008. In The Netherlands, Skylarks are also common during migration (LWVT/SOVON 2002), and in winter (e.g. Vergeer & van Zuylen 1994, Poelmans & van Diemen 1997, Venema 2001, Bijlsma et al. 2001, Hustings et al. 2006. From the patterns of passage and from ringing...

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“…There are no similar data to confirm that females predominate in the southern part of the wintering area, but this might be so in view of their earlier migration date. British ringing samples indicate that (mild) winter sex ratios are close to unity there (Dougall 1997), but these will mainly concern the less migratory British population (Dougall 1996). Note that the distribution of ring recoveries in continental Europe (e.g.…”

Section: Sex Differences In Migration Strategymentioning

confidence: 99%

Sex bias and seasonal patterns in tape‐lured samples of migrating skylarksalauda arvensis

Schekkerman¹

1999

Ringing & Migration

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Movement and mortality of British‐ringed SkylarksAlauda arvensis

Cited by 12 publications

References 11 publications

Winter habitat associations of seed-eating passerines on Scottish farmland

Winter habitat associations of seed-eating passerines on Scottish farmland

Are Dutch Skylarks Partial Migrants? Ring Recovery Data and Radio-Telemetry Suggest Local Coexistence of Contrasting Migration Strategies

Sex bias and seasonal patterns in tape‐lured samples of migrating skylarksalauda arvensis

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