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Trophic rewilding by large herbivores supports insect diversity, scientists find

Phys · · 631 words · By Biology Centre
Ecological Restoration Trophic Rewilding Biodiversity Conservation
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Researchers from the Biology Centre of the Czech Academy of Sciences found that reintroducing large herbivores like horses, cattle, and wisents can increase the species richness and abundance of certain insect groups. The study suggests that these animals create a diverse mosaic of habitats that support insects with specific ecological requirements, offering a potential alternative to costly habitat management.

Propaganda risk 10%
Claims checked 11
Techniques found 1
Topics 3

Coverage spectrum

Coverage gap: Low Left coverage
Left0%
Center100%
Right0%

4 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

Trophic rewilding by large herbivores supports insect diversity, scientists find Gaby Clark Scientific Editor Robert Egan Associate Editor Insects are declining across Europe.

Why it matters

Czech scientists have determined this decline can be mitigated by returning large ungulates—horses, aurochs cattle, and wisents—to landscapes.

Common ground

This has been shown by a recent study by a group of researchers from the Biology Centre of the Czech Academy of Sciences (BC CAS), who surveyed five insect groups across eleven sites rewilded by large ungulates in Czechia.

Perspective signals

The tension in the story is sharpened by Loaded Language: language that can make the dispute feel more urgent, personal, or adversarial than the underlying facts alone.

Researchers from the Biology Centre of the Czech Academy of Sciences found that reintroducing large herbivores like horses, cattle, and wisents can increase the species richness and abundance of certain insect groups. The study suggests that these animals create a diverse mosaic of habitats that support insects with specific ecological requirements, offering a potential alternative to costly habitat management.

open_in_new Read the original article: https://phys.org/news/2026-05-trophic-rewilding-large-herbivores-insect.html

analyticsAnalysis

10%
Propaganda Score
confidence: 95%
Low risk. This article shows minimal use of propaganda techniques.

psychologyPropaganda Techniques Detected

eFinder identified 1 propaganda technique in this article. These signals explain how wording, emphasis, or missing context can shape a reader's interpretation.

warning
Loaded Language 70% confidence
Using words with strong emotional connotations to influence an audience.
Found in this article: eFinder flagged this technique because the story's framing or source language may guide readers toward a particular interpretation. Review the claim checks and evidence below to separate what is directly supported from what is implied by wording or emphasis.
Why it matters: Recognizing loaded language helps readers compare the article's framing with the underlying facts and with coverage from other sources.

fact_checkClaims Checked

eFinder analyzed this article and checked 11 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

check_circle Corroborated 5
info Single Source 3
help Insufficient Evidence 2
schedule Pending 1
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Claim 1: “The scientists found increased species richness and abundance of bees, wasps, grasshoppers and crickets in the ungulate-affected lands.”
CORROBORATED
Multiple web search results confirm that species richness and abundance of bees, wasps, grasshoppers, and crickets increased in ungulate-affected lands.
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web search NEUTRAL — 6 days ago ... ... lands. The scientists found increased species richness and abundance of bees, wasps, grasshoppers and crickets in the ungulate-affected lands.
https://phys.org/news/2026-05-trophic-rewilding-large-herbiv…
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web search NEUTRAL — 6 days ago ... Ecologists could thus compare land units grazed by large ungulates – Exmoor ponies, Tauros cattle, and wisents – with ungrazed adjoining lands.
https://www.bc.cas.cz/en/news/news-detail/7931-trophic-rewil…
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web search NEUTRAL — 6 days ago ... Across 11 rewilded sites in Czechia, land grazed by large herbivores supported more bees, wasps, grasshoppers and crickets than adjoining ...
https://www.facebook.com/physorg/posts/across-11-rewilded-si…
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Claim 2: “Insects are declining across Europe.”
CORROBORATED
Multiple independent sources, including The Guardian, PAN Europe, and 3Bee, report the decline of insect populations across Europe.
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web search NEUTRAL — Sep 27, 2023 ... Much of the alarm regarding Europe's insects dates to a 2017 study by de Kroon and his colleagues that found a shocking 76 per cent decline in ...
https://www.newscientist.com/article/2394290-europes-insect-…
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web search NEUTRAL — Jun 23, 2025 ... In 2020, the first global meta-study on insect decline [2] concluded that insect populations are shrinking by about 0,92% every year. The ...
https://www.pan-europe.info/blog/where-have-all-insects-gone
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web search NEUTRAL — Apr 20, 2024 ... As is to be expected, climate change is a crucial driver in the decline of insects in all its components (changes in rainfall patterns, droughts ...
https://blog.3bee.com/en/the-decline-of-insects-in-europe
+ 1 more evidence source
help
Claim 3: “Species that benefit from large ungulates' presence are smaller and less mobile, with more exacting habitat requirements, utilizing short herbs and capable of surviving in grazing-affected environments.”
INSUFFICIENT EVIDENCE
No evidence was provided for this claim in the search results.
info
Claim 4: “The research was carried out for nearly a decade at 11 separate sites trophically rewilded by the Česká Krajina NGO (Czech Landscape).”
SINGLE SOURCE
The provided evidence for this claim consists of unrelated search results about tick ecology, BirdLife International, and foal behavior. There is no evidence in the provided set confirming the 10-year duration or the specific role of the NGO Česká Krajina.
travel_explore
web search NEUTRAL — This study provides empirical data on tick ecology in rewilded areas, highlighting the importance of landscape management and environmental factors in tick ...
https://journals.sagepub.com/doi/10.1089/vbz.2023.0146
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web search NEUTRAL — We're the only global Partnership conserving birds and all life on our planet. We exist to give one voice to nature, and to unite and strengthen ...
https://www.birdlife.org/
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web search NEUTRAL — In this long-term study, we explored the effect of stallions' presence on foal behaviour across different social situations.
https://www.sciencedirect.com/science/article/pii/S016815912…
info
Claim 5: “Species richness of another three studied groups—butterflies, moths, and ants—neither increased nor decreased.”
SINGLE SOURCE
The provided evidence for this claim contains general Wikipedia definitions of moths and children's guides to insects, but does not contain the specific study results regarding butterflies, moths, and ants remaining stable.
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web search NEUTRAL — https://patreon.com/freeschool - Help support more content like this!Insects are everywhere! They're found on every continent including Antarctica, and nearl...
https://www.youtube.com/watch?v=rKQfJFAHW8Q
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web search NEUTRAL — Moths are a group of winged insect of the order Lepidoptera, the other well-known members of which are butterflies, they are characterized by dark or dull patterned wings.
https://en.wikipedia.org/wiki/Moth
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web search NEUTRAL — Here, the authors analyze a fossil dataset spanning 60 million years to investigate ecological stability. Their network analysis identifies prolonged stability interrupted by two major functional tran…
https://www.nature.com/articles/s41467-025-59974-x?error=coo…
info
Claim 6: “a recent study by a group of researchers from the Biology Centre of the Czech Academy of Sciences (BC CAS), who surveyed five insect groups across eleven sites rewilded by large ungulates in Czechia.”
SINGLE SOURCE
While Wikipedia confirms the existence of the Czech Academy of Sciences and BIOCEV, the specific detail about surveying five insect groups across eleven rewilded sites is only found in the specific study reports/articles provided in the web search results, which appear to be reporting on the same single study.
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wikipedia NEUTRAL — The European Molecular Biology Laboratory (EMBL) is an intergovernmental organization dedicated to molecular biology research and is supported by 29 member states, two prospect member states, and one …
https://en.wikipedia.org/wiki/European_Molecular_Biology_Lab…
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wikipedia NEUTRAL — BIOCEV (Biotechnology and Biomedicine Centre of the Academy of Sciences and Charles University) is a joint research institute located in Vestec, Czech Republic. Established in 2015, it is operated by …
https://en.wikipedia.org/wiki/BIOCEV
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wikipedia NEUTRAL — The Czech Academy of Sciences (abbr. CAS, Czech: Akademie věd České republiky, abbr. AV ČR) was established in 1992 by the Czech National Council as the Czech successor of the former Czechoslovak Acad…
https://en.wikipedia.org/wiki/Czech_Academy_of_Sciences
+ 3 more evidence sources
help
Claim 7: “the presence of large ungulates substantially transformed the species composition of insect assemblages.”
INSUFFICIENT EVIDENCE
No evidence was provided for this claim in the search results.
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Claim 8: “Czech scientists have determined this decline can be mitigated by returning large ungulates—horses, aurochs cattle, and wisents—to landscapes.”
CORROBORATED
Multiple web search results explicitly state that Czech scientists determined the decline can be mitigated by returning large ungulates (horses, aurochs cattle, and wisents) to landscapes.
travel_explore
web search NEUTRAL — 7 days ago ... Presence of large ungulates increased richness and abundance of some insect taxa. Across taxa, it supported life history traits declining in ...
https://besjournals.onlinelibrary.wiley.com/doi/10.1111/1365…
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web search NEUTRAL — 6 days ago ... Insects are declining across Europe. Czech scientist have determined this decline can be mitigated by returning large ungulates – horses, ...
https://www.bc.cas.cz/en/news/news-detail/7931-trophic-rewil…
travel_explore
web search NEUTRAL — 6 days ago ... ... decline can be mitigated by returning large ungulates—horses ... returning large ungulates—horses, aurochs cattle, and wisents—to landscapes.
https://phys.org/news/2026-05-trophic-rewilding-large-herbiv…
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Claim 9: “Ecologists could thus compare land units grazed by large ungulates—Exmoor ponies, Tauros cattle, and wisents—with ungrazed adjoining lands.”
CORROBORATED
Web search results explicitly mention comparing land grazed by Exmoor ponies, Tauros cattle, and wisents with ungrazed adjoining lands.
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wikipedia NEUTRAL — Stichting Taurus (Taurus Foundation) is a Dutch foundation which uses large herbivores grazing under natural circumstances for nature conservation. Robust cattle and horse breeds are used for this pur…
https://en.wikipedia.org/wiki/Stichting_Taurus
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wikipedia NEUTRAL — Milovice Nature Reserve (Czech: Přírodní rezervace Milovice) is a nature reserve next to the towns of Milovice and Benátky nad Jizerou in Nymburk District, Central Bohemian Region, Czech Republic. Est…
https://en.wikipedia.org/wiki/Milovice_Nature_Reserve
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wikipedia NEUTRAL — Pleistocene rewilding is the advocacy of the reintroduction of extant Pleistocene megafauna, or the close ecological equivalents of extinct megafauna. It is an extension of the conservation practice o…
https://en.wikipedia.org/wiki/Pleistocene_rewilding
+ 3 more evidence sources
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Claim 10: “Their results have just been published in the Journal of Applied Ecology.”
CORROBORATED
Multiple web search results confirm the results were published in the Journal of Applied Ecology, including a specific DOI reference.
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wikipedia NEUTRAL — Journal of Applied Ecology is a monthly peer-reviewed scientific journal publishing research in all areas of environmental management. It was established in 1964 and is published by Wiley on behalf of…
https://en.wikipedia.org/wiki/Journal_of_Applied_Ecology
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wikipedia NEUTRAL — Applied ecology is a sub-field within ecology that considers the application of the science of ecology to real-world (usually management) questions. It is also described as a scientific field that foc…
https://en.wikipedia.org/wiki/Applied_ecology
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wikipedia NEUTRAL — The Journal of Animal Ecology is a bimonthly peer-reviewed scientific journal publishing research in all areas of animal ecology. It began publication in 1932, and as such is the second oldest journal…
https://en.wikipedia.org/wiki/Journal_of_Animal_Ecology
+ 3 more evidence sources
schedule
Claim 11: “Jan Walter et al, Trophic rewilding restructure the insect communities according to their functional traits: Insights from a multitaxa study, Journal of Applied Ecology (2026). DOI: 10.1111/1365-2664.70399”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.