Prior residence effect in wintering male Eurasian siskins is not related to resource holding power

Senar, Juan Carlos; Pascual, Jordi

doi:10.1007/s00265-015-1923-z

Cited by 4 publications

(3 citation statements)

References 30 publications

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“…First, that positive co‐occurrence patterns similar to the ones we detected may be influenced by “synurbization” (Luniak, ) of resident and migratory birds. Second, that the resident bird populations are unaffected by the arrival of migratory birds because of the “prior residence effect” (Kokko, López‐Sepulcre, & Morrell, ; Senar & Pascual, ; Snell‐Rood & Cristol, ). And third, that migratory birds experience “heterospecific attraction” (Mönkkönen, Helle, & Soppela, ) toward some resident species, using them as a cue for valuable resources within the wintering grounds (Thomson et al, ).…”

Section: Discussionmentioning

confidence: 99%

Demographic and spatial responses of resident bird populations to the arrival of migratory birds within an urban environment

et al. 2019

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Long-distance migration allows many bird species to overcome the severe climatic changes that occur in seasonal environments. Migration is highly demanding, and given its cyclical nature, we currently know that it has substantial effects on the population parameters of migratory birds during both breeding and wintering seasons. However, the potential effects of the presence of migratory birds in their wintering grounds on populations of resident birds have remain largely unexplored. Here, we propose the hypothesis that migratory birds negatively affect the habitat occupancy and population abundance of resident birds because of the arrival of numerous individuals during the most limiting months of the year. Here, we studied different species of migratory and resident birds that coexist during winter in an urban ecological reserve located within Mexico City. We used single-species multiseason occupancy models, two-species occupancy models, and distance sampling techniques to evaluate changes in occupancy and population density of resident bird species during three consecutive winters. We found an aggregation pattern between two resident species (Psaltriparus minimus and Thryomanes bewickii) with three migratory warblers (Cardellina pusilla, Setophaga coronata and Setophaga townsendi). Thus, our results provide evidence of the formation of mixed-species flocks in our study area. We also conclude that resident birds experience different demographic and behavioral processes during winter that not necessarily result from interspecific interactions with migratory birds. K E Y W O R D Sdistance sampling, long-distance migration, occupancy models, population density, resident birds

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Section: Discussionmentioning

confidence: 99%

Demographic and spatial responses of resident bird populations to the arrival of migratory birds within an urban environment

et al. 2019

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“…If residents endure sub‐optimal non‐breeding season conditions on breeding grounds, they may be outcompeted for breeding sites by returning migrants. Migrants may hence retain their preferred site despite their non‐breeding season absence and any costs of movements (Jahn et al., 2010; but see Senar & Pascual, 2015).…”

Section: Introductionmentioning

confidence: 99%

Carry‐over effects of seasonal migration on reproductive success through breeding site retention in a partially migratory bird

Morinay,

Daunt,

Morley

et al. 2024

Journal of Animal Ecology

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Understanding the maintenance and dynamics of phenotypic polymorphisms requires unpicking key ecological mechanisms shaping the fitness costs and benefits of expressing alternative phenotypes, generating selection. Seasonal migration versus year‐round residence expressed in partially migratory populations represents one common polymorphism that can experience strong selection through differential reproductive success. Yet, key hypothesised pathways that could generate such selection remain to be empirically tested. One hypothesis is that migratory tactics affect subsequent reproductive success through carry‐over effects on breeding site retention and resulting breeding dispersal. By remaining in breeding areas all year round, residents could retain their preferred breeding site between years, and consequently have higher reproductive success. Conversely, migrants that escape harsh non‐breeding season conditions could return in better condition, with high resource holding potential, and outcompete residents to retain their site. Such effects could further depend on migration timing and vary between years. Yet, such pathways have not been quantified, precluding empirical parameterisation of partial migration theory. We used 4 years of breeding and non‐breeding season data from partially migratory European shags (Gulosus aristotelis) to test whether the three most frequent migratory tactics in this population (full resident, early migrant departing soon after breeding, and late migrant departing in late autumn) differed in their breeding site retention; whether site retention predicted reproductive success; and hence whether effects of migratory tactic on reproductive success were explicable through site retention. Overall, residents were much more likely to retain their breeding site between years than both early and late migrants, and site retention was associated with increased reproductive success. Yet, these effects varied somewhat among years: late migrants were always least likely to retain their site but had variable relative reproductive success. Path analyses revealed that effects of migratory tactic on reproductive success were only partly attributable to breeding site retention. These results indicate that multiple mechanisms underlie reproductive selection on migratory tactics, potentially contributing to maintaining behavioural polymorphisms. Yet, the clear associations between migratory tactics and local breeding dispersal reveal that these movements can be strongly interlinked across seasons, shaping overall spatioseasonal dynamics in partially migratory systems.

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“…For example, male jumping spiders (Phidippus clarus) that guard a female tend to win contests, but the outcome also depends partly on relative body size (RHP) of the intruder (Kasumovic et al 2010). By contrast, prior ownership rather than RHP determines winter territoriality in the Eurasian Siskin (Carduelis spinus; Senar and Pascual 2015). Contest asymmetries have been studied mostly within species, but similar theory may apply to interspecific competition.…”

Section: Introductionmentioning

confidence: 99%

Interspecific competition for nests: Prior ownership trumps resource holding potential for Mountain Bluebird competing with Tree Swallow

Wiebe

2016

The Auk

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Prior residence effect in wintering male Eurasian siskins is not related to resource holding power

Cited by 4 publications

References 30 publications

Demographic and spatial responses of resident bird populations to the arrival of migratory birds within an urban environment

Demographic and spatial responses of resident bird populations to the arrival of migratory birds within an urban environment

Carry‐over effects of seasonal migration on reproductive success through breeding site retention in a partially migratory bird

Interspecific competition for nests: Prior ownership trumps resource holding potential for Mountain Bluebird competing with Tree Swallow

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