Huddling in the heat? Rarely seen thermoregulatory behaviours as Southern Pied Babblers Turdoides bicolor compete for cool microsites

References

• Altmann J. 1974. Observational study of behaviour: sampling methods. Behaviour 49: 227–266. doi: 10.1163/156853974X00534
   PubMed Web of Science ®Google Scholar
• Bourne AR, Cunningham SJ, Spottiswoode CN, Ridley AR. 2020. Compensatory breeding in years following drought in a desert-dwelling cooperative breeder. Frontiers in Ecology and Evolution 8: article 190. https://doi.org/10.3389/fevo.2020.00190
   Web of Science ®Google Scholar
• Bourne AR, Ridley AR, McKechnie AE, Spottiswoode CN, Cunningham SJ. 2021a. Dehydration risk is associated with reduced nest attendance and hatching success in a cooperatively breeding bird, the southern pied babbler Turdoides bicolor. Conservation Physiology 9: coab043. doi: 10.1093/conphys/coab043
   PubMed Web of Science ®Google Scholar
• Bourne AR, Ridley AR, Spottiswoode CN, Cunningham SJ. 2021b. Direct and indirect effects of high temperatures on fledging in a cooperatively breeding bird. Behavioral Ecology 32: 1212–1223. https://doi.org/10.1093/beheco/arab087
   Web of Science ®Google Scholar
• Bourne AR, Cunningham SJ, Nupen LJ, McKechnie AE, Ridley AR. 2022. No sex-specific differences in the influence of high air temperatures during early development on nestling mass and fledgling survival in the Southern Pied Babbler (Turdoides bicolor). Ibis 164: 304–312. https://doi.org/10.1111/ibi.12990
   Web of Science ®Google Scholar
• Briscoe NJ, Handasyde KA, Griffiths SR, Porter WP, Krockenberger A, Kearney MR. 2014. Tree-hugging koalas demonstrate a novel thermoregulatory mechanism for arboreal mammals. Biology Letters 10: 20140235. https://doi.org/10.1098/rsbl.2014.0235
   PubMed Web of Science ®Google Scholar
• Chaise LL, McCafferty DJ, Krellenstein A, Gallon SL, Paterson WD, Théry M et al. 2019. Environmental and physiological determinants of huddling behavior of molting female southern elephant seals (Mirounga leonina). Physiology and Behavior 199: 182–190. https://doi.org/10.1016/j.physbeh.2018.10.016
   PubMed Web of Science ®Google Scholar
• Cunningham SJ, Martin RO, Hockey PAR. 2015. Can behaviour buffer the impacts of climate change on an arid-zone bird? Ostrich 86: 119–126. https://doi.org/10.2989/00306525.2015.1016469
   Web of Science ®Google Scholar
• Cunningham SJ, Gardner JL, Martin RO. 2021. Opportunity costs and the response of birds and mammals to climate warming. Frontiers in Ecology and the Environment 19: 300–307. https://doi.org/10.1002/fee.2324
   Web of Science ®Google Scholar
• Eppley TM, Watzek J, Hall K, Donati G. 2017a. Climatic, social and reproductive influences on behavioural thermoregulation in a female-dominated lemur. Animal Behaviour 134: 25–34. https://doi.org/10.1016/j.anbehav.2017.10.003
   Web of Science ®Google Scholar
• Eppley TM, Watzek J, Dausmann KH, Ganzhorn JU, Donati G. 2017b. Huddling is more important than rest site selection for thermoregulation in southern bamboo lemurs. Animal Behaviour 127: 153–161. https://doi.org/10.1016/j.anbehav.2017.03.019
   Web of Science ®Google Scholar
• FLIR Systems. 2022. FLIR ResearchIR Max, version 4.40.12.38. Available at https://support.flir.com/SwDownload/app/RssSWDownload.aspx?ID=12401.
   Google Scholar
• Gilbert C, McCafferty DJ, Le Maho Y, Martrette JM, Giroud S, Blanc S, Ancel A. 2010. One for all and all for one: the energetic benefits of huddling in endotherms. Biological Reviews of the Cambridge Philosophical Society 85: 545–569. https://doi.org/10.1111/j.1469-185X.2009.00115.x
   PubMed Web of Science ®Google Scholar
• Goldstein DL. 1984. The thermal environment and its constraint on activity of Desert Quail in summer. The Auk 101: 542–550. https://doi.org/10.1093/auk/101.3.542
   Web of Science ®Google Scholar
• Hockey PAR, Dean WRJ, Ryan PG. 2005. Roberts’ birds of southern Africa (7th edn). Cape Town: John Voleker Bird Book Fund.
   Google Scholar
• Hunt K, Marais L, Cunningham SJ, Ridley AR, Moagi L, Rose S et al. 2023. Camelthorn and blackthorn trees provide important resources for Southern Pied Babblers (Turdoides bicolor) in the Kalahari. Ibis: article 13232. https://doi.org/10.1111/ibi.13232
   Google Scholar
• Lubbe N, Czenze ZJ, Noakes MJ, McKechnie AE. 2018. The energetic significance of communal roosting and insulated roost nests in a small arid-zone passerine. Ostrich 89: 347–354. https://doi.org/10.2989/00306525.2018.1538061
   Web of Science ®Google Scholar
• McCafferty DJ, Gilbert C, Paterson W, Pomeroy PP, Thompson D, Currie JI, Ancel A. 2011. Estimating metabolic heat loss in birds and mammals by combining infrared thermography with biophysical modelling. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology 158: 337–345. https://doi.org/10.1016/j.cbpa.2010.09.012
   PubMed Web of Science ®Google Scholar
• McLellan RC. 2023. The ecological implications of the loss of a keystone species: Australian sandalwood, a case study. PhD thesis, Charles Sturt University, Australia.
   Google Scholar
• Moyer-Horner L, Mathewson PD, Jones GM, Kearney MR, Porter WP. 2015. Modeling behavioral thermoregulation in a climate change sentinel. Ecology and Evolution: 5810–5822. https://doi.org/10.1002/ece3.1848
   PubMed Web of Science ®Google Scholar
• Nelson-Flower MJ, Hockey PAR, O’Ryan C, Raihani NJ, du Plessis MA, Ridley AR. 2011. Monogamous dominant pairs monopolize reproduction in the cooperatively breeding pied babbler. Behavioral Ecology 22: 559–565. https://academic.oup.com/beheco/article/22/3/559/269395 doi: 10.1093/beheco/arr018
   Web of Science ®Google Scholar
• Pattinson NB, Thompson ML, Griego M, Russell G, Mitchell NJ, Martin RO et al. 2020. Heat dissipation behaviour of birds in seasonally hot, arid-zones: are there global patterns? Journal of Avian Biology 51: e02350. https://doi.org/10.1111/jav.02350
   Web of Science ®Google Scholar
• Rat M, Mathe-Hubert H, McKechnie AE, Sueur C, Cunningham SJ. 2020. Extreme and variable environmental temperatures are linked to reduction of social network cohesiveness in a highly social passerine. Oikos 129: 1597–1610. https://onlinelibrary.wiley.com/doi/abs/10.1111oik.07463
   Web of Science ®Google Scholar
• R Core Team. 2022. R: a language and environment for statistical computing. Vienna: R Foundation for Statistical Computing. Available at https://www.R-project.org/
   Google Scholar
• Ridley AR. 2016. Southern pied babblers: the dynamics of conflict and cooperation in a group-living society. In: Dickinson JL, Koenig W (eds), Cooperative breeding in vertebrates: studies of ecology, evolution, and behavior. Cambridge: Cambridge University Press. pp 115–132
   Google Scholar
• Ridley AR, Raihani NJ. 2007. Variable postfledging care in a cooperative bird: causes and consequences. Behavioral Ecology 18: 994–1000. https://doi.org/10.1093/beheco/arm074
   Web of Science ®Google Scholar
• Robbins CS. 1981. Effect of time of day on bird activity. Studies in Avian Biology 6: 275–286.
   Google Scholar
• Sharpe LL, Prober SM, Gardner JL. 2022. In the hot seat: behavioral change and old-growth trees underpin an Australian songbird’s response to extreme heat. Frontiers in Ecology and Evolution 10: 813567. https://doi.org/10.3389/fevo.2022.813567
   Web of Science ®Google Scholar
• Smit B, Zietsman G, Martin RO, Cunningham SJ, McKechnie AE, Hockey PAR. 2016. Behavioural responses to heat in desert birds: implications for predicting vulnerability to climate warming. Climate Change Responses 3: 1–14. https://doi.org/10.1186/s40665-016-0023-2
   Google Scholar
• Thompson ML, Cunningham SJ, McKechnie AE. 2018. Interspecific variation in avian thermoregulatory patterns and heat dissipation behaviours in a subtropical desert. Physiology and Behavior 188: 311–323. https://doi.org/10.1016/j.physbeh.2018.02.029
   PubMed Web of Science ®Google Scholar
• Tomlinson S, Withers PC, Maloney SK. 2014. Huddling behaviour and energetics of Sminthopsis spp. (Marsupialia, Dasyruidae) in response to environmental challenge. Physiology and Behavior 128: 9–15. https://doi.org/10.1016/j.physbeh.2014.01.020
   PubMed Web of Science ®Google Scholar
• van de Ven TMFN, McKechnie AE, Cunningham SJ. 2019. The costs of keeping cool: behavioural trade-offs between foraging and thermoregulation are associated with significant mass losses in an arid-zone bird. Oecologia 191: 205–215. https://doi.org/10.1007/s00442-019-04486-x
   PubMed Web of Science ®Google Scholar
• Walsberg GE. 1985. Physiological consequences of microhabitat selection in birds. In: Cody ML (ed.), Habitat selection in birds. New York: Academic Press. pp 389–413
   Google Scholar
• Wiley EM, Ridley AR. 2016. The effects of temperature on offspring provisioning in a cooperative breeder. Animal Behaviour 117: 187–195. https://doi.org/10.1016/j.anbehav.2016.05.009
   Web of Science ®Google Scholar
• Wolf BO, Wooden KM, Walsberg GE. 1996. The use of thermal refugia by two small desert birds. The Condor 98: 424–428. https://doi.org/10.2307/1369162
   Web of Science ®Google Scholar