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  • High prevalence of parental delivery of plastic debris in Cory's shearwaters (Calonectris diomedea)

    Autor(es): Rodríguez, Airam [... et al.]

    Ubicación: Centro de Documentación INVEMAR

    ISSN: 0025-326X

    Palabras clave: Canary Islands, Canary Current, Light pollution, Marine plastic debris, Plastic ingestion

Plastic ingestion by adult Procellariiformes has been widely recorded, but few studies have evaluated intergenerational transfer. We assessed the prevalence of plastic particles, as well as their basic characteristics, in the gut content of dead Cory's shearwater fledglings stranded by light pollution on Canary Islands. Eighty-three percent of birds were affected, containing on average 8.0 plastic pieces per bird. The average plastic weight per bird was low (2.97 ± 3.97 mg) compared with other petrel species. We found no relationships between plastic loads and body condition or body size, but negative effects may be hidden or delayed. We propose to use the fledglings stranded by light pollution to carry out more precise studies to understand the potential hidden costs of plastic ingestion; and to monitor in a long-term the marine debris to develop management actions for the control of pollution at the marine environment.