2020
DOI: 10.1016/j.cbpa.2020.110689
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Going to sleep with a full belly: Thermal substitution by specific dynamic action in shorebirds

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Cited by 7 publications
(10 citation statements)
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“…This result is analogous to that found by Ryeland et al (2017), in which shorebirds reduced their back rest behaviour at high T a values to favour heat flux into the environment. At hot conditions, but below their T b (39-40 °C; see also González-Medina et al 2020), we also found that the proportion of time spent resting on back rest, and to lesser extent on unipedal, was related to the relative size of bill and legs, respectively. Dunlins with the largest relative bill sizes clearly spent more time with their bills exposed compared to dunlins with the smallest relative bills, supporting dunlins adjusted their bill postures to increase dry heat transfer into the environment at high temperatures.…”
Section: Discussionsupporting
confidence: 65%
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“…This result is analogous to that found by Ryeland et al (2017), in which shorebirds reduced their back rest behaviour at high T a values to favour heat flux into the environment. At hot conditions, but below their T b (39-40 °C; see also González-Medina et al 2020), we also found that the proportion of time spent resting on back rest, and to lesser extent on unipedal, was related to the relative size of bill and legs, respectively. Dunlins with the largest relative bill sizes clearly spent more time with their bills exposed compared to dunlins with the smallest relative bills, supporting dunlins adjusted their bill postures to increase dry heat transfer into the environment at high temperatures.…”
Section: Discussionsupporting
confidence: 65%
“…Following the acclimation period, the RMR and EWL were measured at 10 °C, 25 °C and 35 °C during the "high tide" simulation period after 4 h of fasting to ensure that the birds were in a postabsorptive state (see González-Medina et al 2020). The dunlins were weighed (± 0.1 g) before and after the metabolic measurements, and the mean body mass (M b ) was used in the analyses.…”
Section: Metabolic Measurement Protocolmentioning
confidence: 99%
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“…overlooking the effect of solar radiation or activity). In the wild, these rates could be substantially higher owing to locomotor activity, heat increment of feeding ( González-Medina et al, 2020 ), or higher environmental heat loads. This, combined with the predicted increase in heavy droughts along the Mediterranean Basin ( IPCC, 2021 ), could lead to shorter times to lethal dehydration than predicted among Mediterranean songbirds.…”
Section: Discussionmentioning
confidence: 99%