Egg-laying increases body temperature to an annual maximum in a wild bird

Guillemette, Magella; Pelletier, David

doi:10.1038/s41598-022-05516-0

Cited by 4 publications

(2 citation statements)

References 89 publications

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“…For example, resting metabolic rate of female birds during egg-laying increases between 20 and 30% (Nilsson & Raberg 2001, V ezina & Williams 2002. Similarly, female Common Eiders Somateria mollissima in the wild increased their body temperature by 1 °C during egg-laying compared with follicular growth phase, where body temperature reached its annual peak (Guillemette & Pelletier 2022). Furthermore, an ambient temperature of 25 °C was shown to lower reproductive effort in Zebra Finches compared with 14 °C due to a reduced ability to dissipate heat associated with reproduction (Zagkle et al 2022).…”

Section: Discussionmentioning

confidence: 99%

High ambient temperature decreases eggshell thickness in Zebra Finches

Wada

Dees

Hurley

et al. 2023

Ibis

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Avian females can alter nest‐site selection and breeding behaviour in response to changes in ambient temperature. However, whether females alter eggshell characteristics in response to high ambient temperature is underexplored. To fill this gap, wild‐derived and domesticated Zebra Finches were bred at temperatures of 18 °C and 30 °C or 35 °C. Here we show that eggs from finches bred at 18 °C and 30 °C had similar characteristics, but females exposed to 35 °C laid eggs that were significantly thinner compared with the 18 °C group. These data suggest that a temperature that is ecologically relevant to the species in the arid zone of Australia can influence eggshell thickness, which is one of the important factors for hatchability in birds.

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Section: Discussionmentioning

confidence: 99%

High ambient temperature decreases eggshell thickness in Zebra Finches

Wada

Dees

Hurley

et al. 2023

Ibis

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“…However, body temperature varies on daily and seasonal scales in response to, for example, changes in resource availability or ambient conditions ( Hainsworth et al, 1977 ; Powers et al, 2003 ; Nowack et al, 2015 ; Barak et al, 2018 ; Romano et al, 2019 ), physiological (e.g. Guillemette and Pelletier, 2022 ) and immunological state ( Kluger, 1991 ), or as a normal part of the diurnal cycle ( Aschoff and Pohl, 1969 ).…”

Section: Introductionmentioning

confidence: 99%

Measuring body temperature in birds – the effects of sensor type and placement on estimated temperature and metabolic rate

Andreasson,

Rostedt,

Nord

2023

Journal of Experimental Biology

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Several methods are routinely used to measure avian body temperature, but different methods vary in invasiveness. This may cause stress-induced increases in temperature and/or metabolic rate and, hence, overestimation of both parameters. Choosing an adequate temperature measurement-method is therefore key to accurately characterizing an animal's thermal and metabolic phenotype. Using great tits (Parus major Linnaeus) and four common methods with different levels of invasiveness (intraperitoneal, cloacal, subcutaneous, cutaneous), we evaluated the preciseness of body temperature measurements and effects on resting metabolic rate (RMR) over a 40°C range of ambient temperatures. Neither method caused over- or underestimation of RMR compared to un-instrumented birds and body or skin temperature estimates did not differ between methods in thermoneutrality. However, skin temperature was lower compared to all other methods below thermoneutrality. These results provide empirical guidance for future research that aims to measure body temperature and metabolic rate in small bird models.

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Effects of release strategy, source population, and age on reintroduced scaled quail reproduction

Ruzicka,

Rollins,

Kendall

et al. 2024

J Wildl Manag

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Translocation is one strategy to reestablish populations of scaled quail (Callipepla squamata). Initial reproductive success post‐translocation is important for establishing short‐lived species such as quail, but factors influencing reproductive success are poorly understood. We evaluated the effect of source population and variation in delayed release strategy (1−9 weeks) on nest initiation and nest survival of wild‐caught, translocated scaled quail. We trapped and translocated scaled quail in 2016–2017 from source populations in the Edwards Plateau and Rolling Plains ecoregions of Texas, USA, to a large contiguous (>40,000 ha) release site in Knox County, Texas. We used a multi‐state mark‐recapture model with state uncertainty to test for effects of release treatment, source population, age, release location, and year on nest initiation and survival. Increased length of holding time decreased re‐nesting effort. Yearlings were more likely to initiate nests than adults and the probability of re‐nesting was lower during the year with drought conditions. There was no effect of source population on any of the parameters we evaluated. Future scaled quail reintroduction efforts may benefit from prioritizing translocation of yearlings and conducting translocations when drought conditions are not forecasted.

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Egg-laying increases body temperature to an annual maximum in a wild bird

Cited by 4 publications

References 89 publications

High ambient temperature decreases eggshell thickness in Zebra Finches

High ambient temperature decreases eggshell thickness in Zebra Finches

Measuring body temperature in birds – the effects of sensor type and placement on estimated temperature and metabolic rate

Effects of release strategy, source population, and age on reintroduced scaled quail reproduction

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