- Title
- Regularly drinking desert birds have greater evaporative cooling capacity and higher heat tolerance limits than non‐drinking species
- Creator
- Czenze, Zenon J, Kemp, Ryno, van Jaarsveld, Barry, Freeman, Marc T, Smit, Ben, Wolf, Blair O, McKechnie, Andrew
- Subject
- To be catalogued
- Date
- 2020
- Type
- text
- Type
- article
- Identifier
- http://hdl.handle.net/10962/441585
- Identifier
- vital:73900
- Identifier
- https://doi.org/10.1111/1365-2435.13573
- Description
- Surface water is a critical resource for many birds inhabiting arid re-gions, but the implications of regular drinking and dependence on sur-face water for the evolution of thermal physiology remain largely unex-plored. We hypothesized that avian thermoregulation in the heat has evolved in tandem with the use of surface water and predicted that (a) regularly drinking species have a greater capacity to elevate rates of evaporative water loss (EWL) compared to non‐drinking species, and (b) heat tolerance limits (HTLs) are higher among drinking species. To test these predictions, we quantified thermoregulatory responses to high air temperature (Ta) in 12 species of passerines from the South African arid zone and combined these with values for an additional five species. We categorized each species as either: (a) water‐dependent, regularly drinking, or (b) water‐independent, occasional‐/non‐drinking.
- Format
- 12 pages, pdf
- Language
- English
- Relation
- Functional Ecology, Czenze, Z.J., Kemp, R., Van Jaarsveld, B., Freeman, M.T., Smit, B., Wolf, B.O. and McKechnie, A.E., 2020. Regularly drinking desert birds have greater evaporative cooling capacity and higher heat tolerance limits than non‐drinking species. Functional Ecology, 34(8), pp.1589-1600, Functional Ecology volume 34 number 8 1589 1600 2020 1365-2435
- Rights
- Publisher
- Rights
- Use of this resource is governed by the terms and conditions of the Wiley Library Online Terms of Use Statement (https://onlinelibrary.wiley.com/terms-and-conditions)
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Smit, Ben (Dr)
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RU Department of Zoology and Entomology
SDG 15. Life On Land
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