Chaffinch numbers continue to decline, bird survey finds
Turtle doves, willow tits and yellowhammers have also declined.
mrcvs.co.ukHere are the latest publicly reported updates on Eurasian chaffinch from reputable sources you can check now.
- Recent trend note: A major UK bird survey (BTO/JNCC/RSPB) reported a notable decline in chaffinch numbers over the past decade, with a ~40% drop in the last ten years in some regions. This contrasts with the species' overall wide distribution and large population, suggesting broad regional variability in population dynamics.[3]
- Disease and mortality context: Reports have linked trichomonosis with declines in related finch species (e.g., greenfinches) and have documented impacts on chaffinches in some areas, contributing to recent fluctuations in counts according to surveillance summaries in Europe and the UK.[3]
- European status and range: The chaffinch remains widespread across Europe and into temperate Asia, with a substantial global population and classification by IUCN as Least Concern, though local declines have been observed in parts of Europe.[2][4][6]
- Regional notes and observations: In Britain and Ireland, the chaffinch is a common garden and woodland species year-round, frequently recorded across large swaths of the region, but local surveys show variability in abundance by habitat and year.[6]
- Ecology and breeding: Typical breeding behavior includes nests in tree forks, clutches of 4–5 eggs, and parental care across early life stages; these life-history traits underpin resilience but can be affected by habitat changes and food availability.[1][5][7]
If you’d like, I can pull the most recent articles from a specific country or create a quick summary table showing population trend notes by region. I can also fetch full texts or key passages from the sources above for precise figures. Would you like me to focus on the Czech Republic region or another country?