Age-specific reproduction in female pied flycatchers: evidence for asynchronous aging

Fay, Rémi; Ravussin, Pierre-Alain; Arrigo, Daniel; Rönn, Jan A. C. von; Schaub, Michael

doi:10.1007/s00442-021-04963-2

Cited by 11 publications

(12 citation statements)

References 61 publications

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“…older individuals) tended to settle on territories earlier in spring (male experience), lay eggs earlier and lay larger clutches (female experience). This is concordant with other studies and is indicative of more experienced parents having higher nesting success (Potti 1998, Both et al 2016, Fay et al 2021.…”

Section: Non-temperature Impacts: Territory Quality and Individual Ex...supporting

confidence: 92%

Territory‐level temperature influences breeding phenology and reproductive output in three forest passerine birds

Shutt

Bell

et al. 2022

Oikos

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Temperature plays an important role in determining the breeding phenology of birds in temperate climates, with higher spring temperatures associated with earlier breeding. However, the effect of localised territory-scale temperature variations is poorly understood, with relationships between temperature and breeding phenology mostly studied using coarse-grained climatic indices. Here, we interpolate spring temperatures recorded at 150-m 2 grid intersections encompassing 417 ha of forest to examine the influence of territory-scale temperature, and its interaction with mean annual temperature, on territory selection, breeding phenology, clutch size and fledging success for three co-occurring single-brooded passerine birds using data from 672 nests over four years. All species exhibited significant trends in reproductive traits associated with territory-scale temperature. Pied flycatchers Ficedula hypoleuca settled in cooler territories first, where they raised more fledglings. Blue tits Cyanistes caeruleus laid larger clutches in warmer territories in warm years and always laid earlier at warmer territories irrespective of annual temperature variation. Contrastingly, pied flycatcher and wood warbler Phylloscopus sibilatrix breeding phenology was earlier at warmer territories in cool years and cooler territories in warm years, with wood warbler clutch size responding similarly to this interaction. Greater previous breeding experience and higher rates of historical territory occupancy (territory quality) also predicted earlier breeding phenology and higher fledging success for pied flycatchers. We suggest that the migratory pied flycatcher and wood warbler are best synchronised with their prey availability in cooler years at a local population level. However resident blue tits match local phenology across all years, which is potentially advantageous under warmer predicted climate change scenarios. We conclude that temperature at the territory scale can be an important driver of settlement and breeding phenology and influence reproductive traits.

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Section: Non-temperature Impacts: Territory Quality and Individual Ex...supporting

confidence: 92%

Territory‐level temperature influences breeding phenology and reproductive output in three forest passerine birds

Shutt

Bell

et al. 2022

Oikos

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“…We describe population dynamics using a female‐based age‐structured population model with a prebreeding census. Females were divided into two age classes: ‘yearling’ (1‐year‐old birds hatched in the preceding breeding season) and ‘adult’ (birds older than 1 year), since reproductive output is expected to differ substantially between them (Fay et al, 2021 ). As accurate age information is often missing for considerable parts of monitored flycatcher populations, we did not further divide the adult age class but note that doing so (e.g.…”

Section: Methodsmentioning

confidence: 99%

Spatial consistency in drivers of population dynamics of a declining migratory bird

Burgess

Coffey

Lander³

et al. 2022

Journal of Animal Ecology

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Many migratory species are in decline across their geographical ranges. Single‐population studies can provide important insights into drivers at a local scale, but effective conservation requires multi‐population perspectives. This is challenging because relevant data are often hard to consolidate, and state‐of‐the‐art analytical tools are typically tailored to specific datasets. We capitalized on a recent data harmonization initiative (SPI‐Birds) and linked it to a generalized modelling framework to identify the demographic and environmental drivers of large‐scale population decline in migratory pied flycatchers (Ficedula hypoleuca) breeding across Britain. We implemented a generalized integrated population model (IPM) to estimate age‐specific vital rates, including their dependency on environmental conditions, and total and breeding population size of pied flycatchers using long‐term (34–64 years) monitoring data from seven locations representative of the British breeding range. We then quantified the relative contributions of different vital rates and population structure to changes in short‐ and long‐term population growth rate using transient life table response experiments (LTREs). Substantial covariation in population sizes across breeding locations suggested that change was the result of large‐scale drivers. This was supported by LTRE analyses, which attributed past changes in short‐term population growth rates and long‐term population trends primarily to variation in annual survival and dispersal dynamics, which largely act during migration and/or nonbreeding season. Contributions of variation in local reproductive parameters were small in comparison, despite sensitivity to local temperature and rainfall within the breeding period. We show that both short‐ and long‐term population changes of British breeding pied flycatchers are likely linked to factors acting during migration and in nonbreeding areas, where future research should be prioritized. We illustrate the potential of multi‐population analyses for informing management at (inter)national scales and highlight the importance of data standardization, generalized and accessible analytical tools, and reproducible workflows to achieve them.

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“…We focus on females only because female availability likely limits reproduction in systems with high numbers of non-breeders (Both et al 2017). Females were divided into two age classes: "yearling" (1-year old birds hatched in the preceding breeding season) and "adult" (birds older than one year), as reproductive output is expected to differ between them (Fay et al 2021). The dynamics of the female segment of the population over the time interval from spring in year 𝑡 to spring in year 𝑡 + 1 can be described as:…”

Section: Age-structured Population Model and Data Likelihoodsmentioning

confidence: 99%

Multi-population analysis reveals spatial consistency in drivers of population dynamics of a declining migratory bird

Burgess¹,

Coffey²,

Lander³

et al. 2022

Preprint

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Many migratory species are in decline across their geographical ranges. Single-population studies can provide important insights into drivers at a local scale, but effective conservation requires multi-population perspectives. This is challenging because relevant data are often hard to consolidate, and state-of-the-art analytical tools are typically tailored to specific datasets. We capitalized on a recent data harmonization initiative (SPI-Birds) and linked it to a generalized modeling framework to identify the demographic and environmental drivers of large-scale population decline in migratory pied flycatchers (Ficedula hypoleuca) breeding across Britain.We implemented a generalized integrated population model (IPM) to estimate age-specific vital rates, including their dependency on environmental conditions, and total and breeding population size of pied flycatchers using long-term (34-64 years) monitoring data from seven locations representative of the British breeding range. We then quantified the relative contributions of different vital rates and population structure to changes in short- and long-term population growth rate using transient life table response experiments (LTREs). Substantial covariation in population sizes across breeding locations suggested that change was the result of large-scale drivers. This was supported by LTRE analyses, which attributed past changes in short-term population growth rates and long-term population trends primarily to variation in annual survival and dispersal dynamics, which largely act during migration and/or non-breeding season. Contributions of variation in local reproductive parameters were small in comparison, despite sensitivity to local temperature and rainfall within the breeding period. We show that both short- and longer-term population changes of British-breeding pied flycatchers are likely linked to factors acting during migration and in non-breeding areas, where future research should be prioritized. We illustrate the potential of multi-population analyses for informing management at (inter)national scales and highlight the importance of data standardization, generalized and accessible analytical tools, and reproducible workflows to achieve them.

show abstract

Age-specific reproduction in female pied flycatchers: evidence for asynchronous aging

Cited by 11 publications

References 61 publications

Territory‐level temperature influences breeding phenology and reproductive output in three forest passerine birds

Territory‐level temperature influences breeding phenology and reproductive output in three forest passerine birds

Spatial consistency in drivers of population dynamics of a declining migratory bird

Multi-population analysis reveals spatial consistency in drivers of population dynamics of a declining migratory bird

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