Evidence map›Paper›PMID 26799935›Full record

ArticlePloS one2016

Zebra Stripes through the Eyes of Their Predators, Zebras, and Humans.

Amanda D Melin, Donald W Kline, Chihiro Hiramatsu, Tim Caro

Erratum issuedAbstract read
In one paragraph

Article in PloS one, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed.

  1. Fine stripe patterns disrupt honey bee landings via spatial aliasing.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2026
    Article
  2. Article
  3. Zebra stripes: the questions raised by the answers.Biological reviews of the Cambridge Philosophical Society · 2025
    Review
  4. Article
  5. Why don't horseflies land on zebras?The Journal of experimental biology · 2023
    Article
  6. Article
  7. The giant panda is cryptic.Scientific reports · 2021
    Article
  8. Zebra stripes, tabanid biting flies and the aperture effect.Proceedings. Biological sciences · 2020
    Article
  9. LionsAnimals : an open access journal from MDPI · 2020
    Article
  10. Striped bodypainting protects against horseflies.Royal Society open science · 2019
    Article
  11. Article
  12. Article
  13. Article
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

4 authors.

Amanda D MelinDepartment of Anthropology, Washington University in St. Louis, St. Louis, Missouri, 63130, United States of America.
Donald W KlineDepartments of Psychology and Surgery (Ophthalmology), University of Calgary, Calgary, Alberta T2N 1N4, Canada.
Chihiro HiramatsuDepartment of Human Science, Faculty of Design, Kyushu University, Fukuoka, 815-8540, Japan.
Tim CaroDepartment of Wildlife, Fish and Conservation Biology, University of California Davis, Davis, California 95616, United States of America.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The century-old idea that stripes make zebras cryptic to large carnivores has never been examined systematically. We evaluated this hypothesis by passing digital images of zebras through species-specific spatial and colour filters to simulate their appearance for the visual systems of zebras' primary predators and zebras themselves. We also measured stripe widths and luminance contrast to estimate the maximum distances from which lions, spotted hyaenas, and zebras can resolve stripes. We found that beyond ca. 50 m (daylight) and 30 m (twilight) zebra stripes are difficult for the estimated visual systems of large carnivores to resolve, but not humans. On moonless nights, stripes are difficult for all species to resolve beyond ca. 9 m. In open treeless habitats where zebras spend most time, zebras are as clearly identified by the lion visual system as are similar-sized ungulates, suggesting that stripes cannot confer crypsis by disrupting the zebra's outline. Stripes confer a minor advantage over solid pelage in masking body shape in woodlands, but the effect is stronger for humans than for predators. Zebras appear to be less able than humans to resolve stripes although they are better than their chief predators. In conclusion, compared to the uniform pelage of other sympatric herbivores it appears highly unlikely that stripes are a form of anti-predator camouflage.

Indexed as

Predatory BehaviorAnimalsColorColor PerceptionEquidaeForestsHumansHyaenidaeLionsPhotographyPigmentationVisual Perception

Identifiers

PMID26799935
PMCPMC4723339

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.