2016
DOI: 10.1093/beheco/arw108
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Predictable food supplies induce plastic shifts in avian scaled body mass

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Cited by 15 publications
(14 citation statements)
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“…Cities may provide urban-dwelling species with favorable foraging opportunities, at least for adults, which appears to contradict the common finding that urban sparrows are often leaner than rural ones ( Bókony et al, 2012 ; Meillère et al, 2015 ; Salleh Hudin et al, 2016 ). Yet, experimental studies suggest that the lower body condition of urban sparrows likely reflects a plastic response to more predictable food supplies, trading-off with predation risk ( Dulisz et al, 2016 ; Salleh Hudin et al, 2016 ).…”
Section: Discussionmentioning
confidence: 82%
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“…Cities may provide urban-dwelling species with favorable foraging opportunities, at least for adults, which appears to contradict the common finding that urban sparrows are often leaner than rural ones ( Bókony et al, 2012 ; Meillère et al, 2015 ; Salleh Hudin et al, 2016 ). Yet, experimental studies suggest that the lower body condition of urban sparrows likely reflects a plastic response to more predictable food supplies, trading-off with predation risk ( Dulisz et al, 2016 ; Salleh Hudin et al, 2016 ).…”
Section: Discussionmentioning
confidence: 82%
“…Cities may provide urban-dwelling species with favorable foraging opportunities, at least for adults, which appears to contradict the common finding that urban sparrows are often leaner than rural ones ( Bókony et al, 2012 ; Meillère et al, 2015 ; Salleh Hudin et al, 2016 ). Yet, experimental studies suggest that the lower body condition of urban sparrows likely reflects a plastic response to more predictable food supplies, trading-off with predation risk ( Dulisz et al, 2016 ; Salleh Hudin et al, 2016 ). In line with this, no differences in GBW or feather quality were found between urban and rural house sparrows [( Meillère et al, 2017 ; Salleh Hudin et al, 2016 ), this study], two traits assumed to be affected by diet quality ( Pap et al, 2008 ).…”
Section: Discussionmentioning
confidence: 82%
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“…In this study, no significant differences were observed between populations from rural and strongly urbanized habitats, however, individuals from suburban populations had a higher SMI compared to urban populations (and to a lesser extent rural ones). Body condition has earlier been associated with stress response and overall health [ 9 , 30 ], though environmental factors such as habitat coverage [ 8 ], predictability of food supply and quality [ 10 ], presence of predators [ 8 ] have been hypothesized to influence the body condition of the birds. Suburban habitats in Flanders are typically characterized by strongly connected hedges and bushes, which are generally considered good habitat for house sparrows, allowing for a higher foraging efficiency compared to more fragmented highly urbanized or rural habitats.…”
Section: Discussionmentioning
confidence: 99%
“…Conversely, if perceived starvation risk is higher, body masses will increase to reduce starvation risk. Corroboration of these predictions comes from multiple field and laboratory studies on passerine birds (Cuthill, Maddocks, Weall, & Jones, 2000;Hudin et al, 2016;Witter, Swaddle, & Cuthill, 1995).…”
mentioning
confidence: 99%