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Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Human Health Effects Marine & Wildlife Sign in to save

Using a non‐invasive technique to identify suspected microplastics in grey seals ( <i>Halichoerus grypus</i> ) living in the western North Sea

Veterinary Record 2022 10 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 45 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Lucas Desclos‐Dukes, Lucas Desclos‐Dukes, Andrew Butterworth, Lucas Desclos‐Dukes, Lucas Desclos‐Dukes, Andrew Butterworth, Andrew Butterworth, Tristan A. Cogan Tristan A. Cogan

Summary

Faecal samples from living wild grey seals in the western North Sea were analyzed for suspected microplastics, representing the first non-invasive record of microplastic exposure in this wild pinniped population. The study demonstrates that faecal analysis can provide indirect evidence of microplastic ingestion in free-ranging marine mammals without requiring capture or euthanasia.

The present study indicates that marine mammals are ingesting microplastics and that faecal material can be used to indirectly and non-invasively record microplastic uptake data in pinnipeds. Since the current paper is the first to document potential microplastic exposure among wild, living and free-ranging grey seals of the western North Sea, further research is needed to begin to understand the biological significance of these findings.

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