Digestive Adaptations of Aerial Lifestyles
Open accessAbstract
Flying vertebrates (birds and bats) are under selective pressure to reduce the size of the gut and the mass of the digesta it carries. Compared with similar-sized nonflying mammals, birds and bats have smaller intestines and shorter retention times. We review evidence that birds and bats have lower spare digestive capacity and partially compensate for smaller intestines with increased paracellular nutrient absorption.
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Special adaptations to a volant lifestyle are thought to influence GIT anatomy.
“Other factors than diet thought to influence GIT anatomy include special adaptations to a volant [15, 21, 22] or a marine [23-25] lifestyle, or the aridity of the habitat [16, 26, 27].”
From Mammalian intestinal allometry, phylogeny, trophic level and climate (2021) · cites this paper as [21]
Volant mammals had shorter total intestines than terrestrial mammals.
“Similar to previous findings, volant mammals had shorter total intestines than terrestrial mammals [15, 21, 22]”
From Mammalian intestinal allometry, phylogeny, trophic level and climate (2021) · cites this paper as [21]
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Mammalian intestinal allometry, phylogeny, trophic level and climate
Duque-Correa, M. J., Codron, D., Meloro, C., McGrosky, A., Schiffmann, C., Edwards, M. S., & Clauss, M. (2021) · Proceedings of the Royal Society B: Biological Sciences · doi:10.1098/rspb.2020.2888 · Cited by 40 · see citing works
- Authors
- Price, E. R., Brun, A., Caviedes-Vidal, E., & Karasov, W. H.
- Affiliations
- University of Wisconsin–Madison (US)
- Consejo Nacional de Investigaciones Científicas y Técnicas (AR)
- Laboratorio de Biología Integrativa, Instituto Multidisciplinario de Investigaciones Biológicas de San Luis, Consejo Nacional de Investigaciones Científicas y Técnicas, San Luis, Argentina; and
- Corresponding author
- Price, Edwin R.
- Venue
- Physiology
- Publisher
- American Physiological Society
- Published
- 2015-01
- Volume
- 30
- Issue
- 1
- Pages
- 69-78
- ISSN
- 0886-1714 (ISSN-L)
- 1548-9213
- 1548-9221
- OpenAlex
- W2114174240
- Cited by
- 91
- References
- 0
- Citations by year
- 2026: 6 · 2025: 8 · 2024: 7 · 2023: 5 · 2022: 10 · 2021: 13 · 2020: 9 · 2019: 5 · 2018: 10 · 2017: 7 · 2016: 2 · 2015: 8
- FWCI
- 1.90
- Type
- journal article
- Language
- en
- Open access
- green
- hdl.handle.net
- Licence
- cc-by-nc-sa
- Locations
- Physiology (publishedVersion)
- PubMed (publishedVersion)
- CONICET Digital (CONICET) (submittedVersion, cc-by-nc-sa)
- Funders
- National Science Foundation
- U.S. Department of Agriculture
- University of Wisconsin-Madison
- Universidad Nacional de San Luis
- Consejo Nacional de Investigaciones Científicas y Técnicas
- Consejo Nacional de Ciencia y Tecnología
- Agencia Nacional de Promoción Científica y Tecnológica (CONICET)
- Secretaría de Ciencia y Técnica, Universidad de Buenos Aires
- Fondo para la Investigación Científica y Tecnológica
- Topics
- Health Sciences › Medicine › Urology › Comparative Animal Anatomy Studies
- Physical Sciences › Environmental Science › Ecology › Physiological and biochemical adaptations
- Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Nutrition and Physiology
- Keywords
- digestive adaptation, flight, birds, bats, gut size
- MeSH terms
- Adaptation, Physiological, Animals, Birds, Chiroptera, Humans, Intestine, Small, Life Style, Mammals
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Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
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