# In Aisne, coypus and muskrat populations continue to grow despite trapping efforts

> The campaign to combat the proliferation of coypus and muskrats has begun in the Aisne department, led notably by the Departmental Federation of Hunters, in response to what is considered an impressive population boom.

**In brief**: Environment event (severity: info) in Braine (Aisne), first detected on 12 November 2026 at 16:30. Reported by 2 sources (2 articles), last updated on 12 November 2026 at 16:30.

- Category: Environment
- Severity: Info
- Place: Braine — Aisne
- First detected: 12 November 2026 at 16:30
- Updated: 12 November 2026 at 16:30
- Web page: https://acturadar.com/en/events/17687-in-aisne-coypus-and-muskrat-populations-continue-to-grow-despite-trapping

## Sources (2 articles)

- [« Ils créent de vraies nuisances » : la campagne de lutte contre les ragondins a débuté dans l’Aisne](http://www.lunion.fr/id839672/article/2026-11-12/ils-creent-de-vraies-nuisances-la-campagne-de-lutte-contre-les-ragondins-debute) — L'Union, 12 November 2026 at 13:57
- [Ragondins et rats musqués « prolifèrent de manière impressionnante » dans l’Aisne malgré le piégeage](http://www.paris-normandie.fr/id758932/article/2026-11-12/ragondins-et-rats-musques-proliferent-de-maniere-impressionnante-dans-laisne) — Paris-Normandie, 12 November 2026 at 16:30

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Cite as: Acturadar, “In Aisne, coypus and muskrat populations continue to grow despite trapping efforts”, https://acturadar.com/en/events/17687-in-aisne-coypus-and-muskrat-populations-continue-to-grow-despite-trapping
Methodology: https://acturadar.com/en/methodology