ArticleProceedings of the National Academy of Sciences of the United States of America2019
Cooling requirements fueled the collapse of a desert bird community from climate change.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 50 papers.
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50 citing papers in PubMed.
- Continental-Scale Biodiversity Predictions Are Influenced by Climatic Variability and Extreme Weather.Global change biology · 2026Article
- Classifying avian drinking behaviour: ecological insights and implications in a changing world.Biological reviews of the Cambridge Philosophical Society · 2026Review
- Behavioural responses to heat in an arid-zone bird vary with thermal, hygric and social factors.Oecologia · 2026Article
- Mechanistic insights into avian and chiropteran thermal risk exposure in a warming world.Conservation physiology · 2026Review
- The effects of temperature on nestling growth in a songbird depend on developmental constraints.PloS one · 2026Article
- Are the Kids Alright? Dehydration and High Temperatures During Pregnancy Impact Offspring Physiology, Morphology, and Survival in a Cold-adapted Lizard.Integrative and comparative biology · 2025Article
- Mapping tree canopy thermal refugia for birds using biophysical models and LiDAR.International journal of biometeorology · 2025Article
- Phylogeography ofBiology · 2025Article
- Pacific Northwest birds have shifted their abundances upslope in response to 30 years of warming temperatures.Ecology · 2025Article
- The Complex Relationship Between High Temperatures and Avian Breeding Success: Insights From a Global Review.Ecology and evolution · 2025Review
- Climate-Induced Physiological Stress Drives Rainforest Mammal Population Declines.Global change biology · 2025Article
- Australian birds track climate warming over decades via shifts in bill morphology.Communications biology · 2025Article
- The effects of humidity on thermoregulatory physiology of a small songbird.The Journal of experimental biology · 2024Article
- Heritable variation in thermal profiles is associated with reproductive success in the world's largest bird.Evolution letters · 2024Article
- Climate change and its effects on body size and shape: the role of endocrine mechanisms.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2024Review
- Potential extinction cascades in a desert ecosystem: Linking food web interactions to community viability.Ecology and evolution · 2024Article
- Hydric physiology and ecology of a federally endangered desert lizard.Conservation physiology · 2024Article
- Maximum temperatures determine the habitat affiliations of North American mammals.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- A long-term study of size variation in Northern GoshawkEcology and evolution · 2023Article
- Adaptive and non-adaptive convergent evolution in feather reflectance of California Channel Islands songbirds.Proceedings. Biological sciences · 2023Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Climate change threatens global biodiversity by increasing extinction risk, yet few studies have uncovered a physiological basis of climate-driven species declines. Maintaining a stable body temperature is a fundamental requirement for homeothermic animals, and water is a vital resource that facilitates thermoregulation through evaporative cooling, especially in hot environments. Here, we explore the potential for thermoregulatory costs to underlie the community collapse of birds in the Mojave Desert over the past century in response to climate change. The probability of persistence was lowest for species occupying the warmest and driest sites, which imposed the greatest cooling costs. We developed a general model of heat flux to evaluate whether water requirements for evaporative cooling contributed to species' declines by simulating thermoregulatory costs in the Mojave Desert for 50 bird species representing the range of observed declines. Bird species' declines were positively associated with climate-driven increases in water requirements for evaporative cooling and exacerbated by large body size, especially for species with animal-based diets. Species exhibiting reductions in body size across their range saved up to 14% in cooling costs and experienced less decline than species without size reductions, suggesting total cooling costs as a mechanism underlying Bergmann's rule. Reductions in body size, however, are unlikely to offset the 50 to 78% increase in cooling costs threatening desert birds from future climate change. As climate change spreads warm, dry conditions across the planet, water requirements are increasingly likely to drive population declines, providing a physiological basis for climate-driven extinctions.
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