Bird ringing and nest recording in Britain and Ireland in 2015

Walker, Ruth H.; Robinson, Robert A.; Leech, David I.; Moss, D.; Barimore, Carl J.; Blackburn, Jeremy R.; Barber, Lee J.; Clewley, Gary D.; Palacio, Diana X. de; Grantham, Mark J.; Griffin, Bridget M.; Kew, Allison J.; Schaefer, Sabine; Clark, Jacquie A.

doi:10.1080/03078698.2016.1298316

Cited by 10 publications

(15 citation statements)

References 43 publications

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“…Geolocator data were analysed in R software (R Core Team) using the ‘FLightR’ package (Rakhimberdiev et al ), following the procedures outlined by Rakhimberdiev et al (). FLightR provides estimates of location (geolocations) at twilight (dusk and dawn), based on a template fit across these twilight periods, rather than on the ‘threshold method’ as used in the GeoLight package (Lisovski and Hahn ).…”

Section: Methodsmentioning

confidence: 99%

“…By contrast, recoveries of common sandpipers ringed elsewhere in Europe show that the non‐breeding area extends from southern Europe to West Africa (Fransson et al , Saurola et al ). Ringing recoveries show that UK birds occur in France and Spain during southward and northward migrations and this is reflected in studies of birds caught on migration in Spain (Arcas , Balmori , de Elgea and Arizaga ). There are several recoveries of British‐ringed birds in Morocco but only two records south of the Sahara.…”

Section: Introductionmentioning

confidence: 94%

“…Part of this involves describing migratory tracks and determining the locations of the non‐breeding areas using data‐loggers that are now small enough for many medium‐sized birds; e.g. European nightjars Caprimulgus europaeus (Cresswell and Edwards ), common swifts Apus apus (Åkesson et al ) and great snipes Gallinago media (Lindström et al ).…”

Section: Introductionmentioning

confidence: 99%

“…Despite ringing over 22 000 common sandpipers in the UK to (Walker et al ), little is known about the migratory route and non‐breeding areas once UK birds leave Europe (Wernham et al 2002). By contrast, recoveries of common sandpipers ringed elsewhere in Europe show that the non‐breeding area extends from southern Europe to West Africa (Fransson et al , Saurola et al ).…”

Section: Introductionmentioning

confidence: 99%

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Non‐breeding areas and timing of migration in relation to weather of Scottish‐breeding common sandpipers Actitis hypoleucos

Summers¹,

Raad

Etheridge³

et al. 2019

Journal of Avian Biology

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The number of breeding common sandpipers has declined in Britain due to poorer return rates from non‐breeding areas. To investigate little known aspects of their annual cycle, breeding common sandpipers were fitted with geolocators to track their migrations and determine their non‐breeding areas. Ten tagged birds left Scotland on 9 July (median dates and durations are given throughout the abstract). Short‐term staging was carried out by some birds in England and Ireland, then for longer by most birds in Iberia before continuing to West Africa, arriving on 28 July. Six birds spent most of the non‐breeding season (October–February) on the coast of Guinea‐Bissau, suggesting that this is a key area. Single birds occurred in Sierra Leone, Guinea, the Canary Islands and western Sahara. The southward migration from Scotland took 17.5 d (range 1.5–24 d), excluding the initial fuelling period. The first northward movement from Africa was on 12 April. Staging occurred in either Morocco, Iberia or France. Arrival in Scotland was on 2 May. The northward migration took 16 d (range 13.5–20.5 d). The main migration strategy involved short‐ and medium‐range flights, using tail‐winds in most cases. Variation in strategy was associated with departure date; birds that left later staged for shorter durations. Coastal West Africa provides two major habitats for common sandpipers: mudflats associated with mangroves and rice fields. Although the area of mangrove has been depleted, the scale of loss has probably been insufficient to account for the decline in sandpiper numbers. Rice fields are expanding, providing feeding areas for water‐birds. Meteorological data during the migrations suggest that the weather during the southward migration is unlikely to contribute to a population decline but strong cross‐winds or head‐winds during the northward migration to the breeding grounds may do so.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 94%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Non‐breeding areas and timing of migration in relation to weather of Scottish‐breeding common sandpipers Actitis hypoleucos

Summers¹,

Raad

Etheridge³

et al. 2019

Journal of Avian Biology

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“…Individual identifications aid in answering important questions on population sizes, distributions, and habitat requirements and are particularly beneficial at low population sizes (Parra, Corkeron, & Marsh, 2006). The largest individual-identification studies are based on bird ringing, with hundreds of thousands of birds being individually tagged each year in the UK and Ireland alone (Walker et al, 2016). Individual identification is particularly important when studying animals in small populations as it allows individual behavioural variability to be taken into account (Austin, Bowen, & McMillan, 2004) and also allows an assessment of growth and mortality rates in situations where large statistically valid cohorts are unavailable (Clutton-Brock & Sheldon, 2010).…”

Section: Introductionmentioning

confidence: 99%

Evaluating the potential of photo‐identification as a monitoring tool for flapper skate (Dipturus intermedius)

Benjamins

Dodd

Thorburn

et al. 2018

Aquatic Conservation

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Flapper skates (Dipturus intermedius) were once widespread in European shelf waters but are currently classified as critically endangered by the International Union for Conservation of Nature due to historical overexploitation. Novel monitoring approaches are needed to assess the efficacy of management measures, such as dedicated marine protected areas, for the conservation of relict skate populations. Flapper skates possess distinctive dorsal spot patterns, which could potentially be used for individual recognition using photo‐identification (photo‐ID) approaches. This study assessed the potential of photo‐ID as a method for individual recognition of a relict population of skates within a dedicated marine protected area in western Scotland (UK), which has long been targeted by directed recreational angling. A collection of 486 photographs of 373 separate skate capture events from 2011 to 2016, taken with standard mobile phones and compact cameras, was studied using visual pairwise comparison methods to determine number of individuals and recapture rates. Results indicated that adult flapper skates were individually recognizable with a high degree of certainty through comparison of spot patterns, assuming appropriate lighting conditions. A total of 226 individuals were identified, of which 77 (34%) were recaptured at least once. The average recapture interval was 308 days (SE: 29.4 days), with the longest recapture interval to date being 4.4 years. Spot patterns among recaptured tagged or otherwise uniquely identifiable skates were found to remain stable over timescales of months to >1 year. Results indicate that photo‐ID, based on photographs sourced through citizen science approaches, can provide a low‐cost alternative means of monitoring flapper skate presence and distribution for the purposes of underpinning management decisions.

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Seasonal, geographical, and habitat effects on the diet of a recovering predator population: the European pine marten (Martes martes) in Ireland

et al. 2019

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Human activity is increasingly altering the natural world. Yet the natural adaptability of most mammal species remains unknown. Seasonal and spatial influences on the diet of temperate carnivores tending towards omnivory are, particularly, poorly understood. The pine marten is one such species which in Ireland and Britain is of additional interest due to the recent recovery in its range and abundance from near collapse. We investigated diet of the pine marten on regional, national, and continental scales and with regard to seasonal and habitat variation. Habitat effects on diet were examined with regard to samples from deciduous woodland, coniferous forestry plantations, heath-coniferous matrices, and mixed habitats. Finally, we discuss the implications of dietary variation in the ecological role of the European pine marten in Ireland and elsewhere and consider how these may be affected by further environmental change. The diet of the pine marten differed significantly amongst all studies across its range, although it maintains the same approximate trophic niche breadth throughout. This plasticity may explain its recovery in an environment where resources are scarce, and underscores its status as an opportunistic species which is likely to be robust to environmental and habitat changes in the future.

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Bird ringing and nest recording in Britain and Ireland in 2015

Cited by 10 publications

References 43 publications

Non‐breeding areas and timing of migration in relation to weather of Scottish‐breeding common sandpipers Actitis hypoleucos

Non‐breeding areas and timing of migration in relation to weather of Scottish‐breeding common sandpipers Actitis hypoleucos

Evaluating the potential of photo‐identification as a monitoring tool for flapper skate (Dipturus intermedius)

Seasonal, geographical, and habitat effects on the diet of a recovering predator population: the European pine marten (Martes martes) in Ireland

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