UK Butterfly Trends, 2026 Release, Data to 2025
Summary
The Joint Nature Conservation Committee (JNCC) published its annual point-of-first-release statistics on UK butterfly abundance on 27 March 2026, covering data through 2025. The statistics are derived from the UK Butterfly Monitoring Scheme (UKBMS), which relies on volunteer-collected data and is jointly organised and funded by Butterfly Conservation, the UK Centre for Ecology and Hydrology, British Trust for Ornithology, and JNCC. These trends feed into UK biodiversity indicators and support reporting on country biodiversity strategies.
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GovPing monitors UK JNCC for new environment regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 4 changes logged to date.
What changed
JNCC published the annual point-of-first-release statistics on UK butterfly abundance as part of its official statistics programme. The 2026 release covers population indices through 2025, presented at UK level and at country level where sufficient data exist. The data derive from the UK Butterfly Monitoring Scheme (UKBMS), which is organised and funded by four partner organisations including JNCC.
Affected parties include conservation organisations, government agencies, and researchers who rely on UKBMS data for biodiversity reporting and indicator development. The statistics support implementation of UK and country biodiversity strategies, though this release does not create compliance obligations for regulated entities.
Archived snapshot
Apr 16, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Official Statistics
Point of first release for statistics on abundance of UK butterflies (2026 publication; includes data up to 2025)
Trends of population indices for UK butterflies.
From: Joint Nature Conservation Committee Published 27 March 2026 Get emails about this page
Documents
Point of first release for statistics on abundance of UK butterflies (2026 publication; includes data up to 2025)
https://jncc.gov.uk/our-work/official-statistics-on-abundance-of-uk-butterflies/
Details
Trends of UK butterfly species are based on results of the UK Butterfly Monitoring Scheme (UKBMS), presented at UK level, and at country level where there are sufficient data. The UKBMS helps the UK to implement or report on country biodiversity strategies and feed into biodiversity indicators.
The UK Butterfly Monitoring Scheme is organized and funded by Butterfly Conservation, the UK Centre for Ecology and Hydrology, British Trust for Ornithology, and the Joint Nature Conservation Committee. The UKBMS is indebted to all volunteers who contribute data to the scheme.
Updates to this page
Published 27 March 2026
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