Phenological sensitivity to climate change is higher in resident than in migrant bird populations among European cavity breeders

Samplonius, Jelmer M.; Bartošová, Lenka; Burgess, Malcolm D.; Bushuev, Andrey; Eeva, Tapio; Иванкина, Е.В.; Керимов, А.Б.; Krams, Indriķis; Laaksonen, Toni; Mägi, Marko; Mänd, Raivo; Potti, Jaime; Török, János; Trnka, Miroslav; Visser, Marcel E.; Zang, Herwig; Both, Christiaan

doi:10.1111/gcb.14160

Cited by 72 publications

(88 citation statements)

References 56 publications

(104 reference statements)

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“…synchrony of phenology, antipredator defences, competitive interactions). For example, because the migrant pied and collared flycatchers display shallower reaction norms to temperature than blue tits, they breed later in warmer environments, and suffer from competition with resident tit species [92]. An important step would be to increase The open circles represent the mean phenology (mean laying date or mean caterpillar peak date).…”

Section: Discussion and Perspectivesmentioning

confidence: 99%

Phenotypic plasticity in response to climate change: the importance of cue variation

Bonamour

Chevin

Charmantier

et al. 2019

Phil. Trans. R. Soc. B

209

181

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One contribution of 13 to a theme issue 'The role of plasticity in phenotypic adaptation to rapid environmental change'.Phenotypic plasticity is a major mechanism of response to global change. However, current plastic responses will only remain adaptive under future conditions if informative environmental cues are still available. We briefly summarize current knowledge of the evolutionary origin and mechanistic underpinnings of environmental cues for phenotypic plasticity, before highlighting the potentially complex effects of global change on cue availability and reliability. We then illustrate some of these aspects with a case study, comparing plasticity of blue tit breeding phenology in two contrasted habitats: evergreen and deciduous forests. Using long-term datasets, we investigate the climatic factors linked to the breeding phenology of the birds and their main food source. Blue tits occupying different habitats differ extensively in the cues affecting laying date plasticity, as well as in the reliability of these cues as predictors of the putative driver of selective pressure, the date of caterpillar peak. The temporal trend for earlier laying date, detected only in the evergreen populations, is explained by increased temperature during their cue windows. Our results highlight the importance of integrating ecological mechanisms shaping variation in plasticity if we are to understand how global change will affect plasticity and its consequences for population biology.This article is part of the theme issue 'The role of plasticity in phenotypic adaptation to rapid environmental change'.

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Section: Discussion and Perspectivesmentioning

confidence: 99%

Phenotypic plasticity in response to climate change: the importance of cue variation

Bonamour

Chevin

Charmantier

et al. 2019

Phil. Trans. R. Soc. B

209

181

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“…In general, warmer conditions at the start of a breeding season favor earlier egg‐laying initiation dates (Dunn , Visser and Both , Visser et al , Ockendon et al , Phillimore et al ). The long‐term trend toward earlier egg laying by species exposed to increasing spring temperatures due to climate change has also been widely documented (Matthysen et al , Charmantier and Gienapp , Dunn and Møller , Phillimore et al , Källander et al , Samplonius et al ).…”

Section: Discussionmentioning

confidence: 90%

Spatial and temporal variation in breeding parameters of two south‐temperate populations of House Wrens

Fernández

Carro

Llambías³

2020

J. Field Ornithol.

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Studies of variation in breeding parameters are often based on temporal analyses of a single population. However, to differentiate between the effects of regional and local factors, neighboring populations with limited interpopulational dispersal need to be compared. We studied two nearby (< 5 km apart) populations of House Wrens (Troglodytes aedon bonariae) at two ranches (Los Zorzales, 10 years; La Esperanza, 13 years) in south‐temperate Argentina to assess the possible effects of regional and local factors on breeding phenology. For each breeding season, we recorded laying dates, clutch sizes, and length of the breeding season, and estimated the reproductive synchrony of first and second breeding attempts. We examined how these breeding parameters were affected by weather, population density, and rates of nest failure. With favorable temperatures during the pre‐reproductive period (September–October), wrens in both populations initiated first breeding attempts earlier. However, ordinal laying dates were also affected by local factors, with wrens at Los Zorzales initiating breeding attempts earlier than those at La Esperanza. We found a spatial correlation in clutch sizes between populations for the 2007–2012 breeding seasons, but clutch sizes of first and second nesting attempts showed low variability. Reproductive synchrony of first nesting attempts varied among years, suggesting an effect of regional factors. However, we detected no synchronization between populations and were unable to identify environmental variables that explained the temporal variation. Ordinal laying dates of second clutches were strongly correlated with the ordinal laying dates of first clutches. We also found that the length of breeding seasons was longer when daily nest mortality rates were lower. Although environmental factors seemed to affect the decision of when to start breeding, pairs with successful first nesting attempts were more likely to initiate second nests, thus affecting the length of the breeding season. The spatial variation and temporal variation of the breeding parameters of House Wrens in our study provide evidence of marked plasticity in their breeding decisions and allowed us to identify local and regional environmental factors related to this variation.

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“…These results are interesting in the light of ongoing climate change, which differentially alters the phenology and distribution of interspecific competitors (Carter et al, ; Phillimore et al, ; Samplonius et al, ; Usui et al, ). It is generally shown that resident species are more plastic in their response to temperature than migrants (Phillimore et al, ; Samplonius et al, ), causing their breeding phenologies to diverge. Such differential divergence has been shown to affect information use (Samplonius & Both, ), and here I show it could affect competitive interactions.…”

Section: Discussionmentioning

confidence: 92%

“…Such differential divergence has been shown to affect information use (Samplonius & Both, ), and here I show it could affect competitive interactions. This could mean that arriving competitors will encounter fewer aggressive great tits as climate change continues, because great tits advance their breeding phenology more than later breeding migrants in response to temperature (Samplonius et al, ).…”

Section: Discussionmentioning

confidence: 99%

“…Interestingly, great tit aggression is a labile trait that generally is higher during egg laying than during incubation in an intraspecific context Araya‐Ajoy & Dingemanse, ; Araya‐Ajoy & Dingemanse, ). It is interesting to study the same patterns in an interspecific context (both in the case of the coincidence and the aggression hypothesis), because climate change can differentially affect the phenology of interspecific competitors (Phillimore, Leech, Pearce‐Higgins, & Hadfield, ; Samplonius et al, ) and the overlap in their distributions (Carter, Saenz, & Rudolf, ; Usui, Butchart, & Phillimore, ). Therefore, the scope of interspecific conflict may be altered by climate change (Ahola et al, ).…”

Section: Introductionmentioning

confidence: 99%

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Interspecific aggression declines seasonally in breeding great tits Parus major

Samplonius

2018

Ethology

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During the breeding season, great tits show aggression to protect their nest from intra‐ and interspecific intruders. Aggression is a labile trait that can be plastically expressed as a result of individual differences (e.g., personality), seasonal gradients in the costs and benefits of aggression, or other environmental components (e.g., number of competitors). Competitors may try to take over great tit nests, because the number of suitable nesting sites is limited, and great tits may guard high quality territories. Taking over a great tit nest may be especially fruitful in early phenological stages (egg laying) when great tits frequent their nests less often. However, great tits may compensate for this vulnerability by being more aggressive toward intruders during early nesting stages, a pattern that has already been established in an intraspecific context. Previous studies have shown that interspecific intruders were most likely to die from great tit aggression during great tit egg laying, suggesting great tits may also be more aggressive during this phase in an interspecific context. Here, I tested this hypothesis with simulated territorial intrusions in great tit territories using taxidermized blue tits Cyanistes caeruleus (hereafter called blue tit models). Great tit aggression (number of calls and approach distance toward blue tit model) was assayed during egg laying, incubation, and chick rearing in the breeding season of 2014. Although sample size was low due to a high fraction of non‐responders (n = 44 out of 89 assays across 26 out of 35 individuals), I found that great tits showed a seasonal decline in aggressiveness, which is congruent with intraspecific results on this study species. I discuss my findings in the context of differential adjustment to climate change between interspecific competitors.

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Phenological sensitivity to climate change is higher in resident than in migrant bird populations among European cavity breeders

Cited by 72 publications

References 56 publications

Phenotypic plasticity in response to climate change: the importance of cue variation

Phenotypic plasticity in response to climate change: the importance of cue variation

Spatial and temporal variation in breeding parameters of two south‐temperate populations of House Wrens

Interspecific aggression declines seasonally in breeding great tits Parus major

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