{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,20]],"date-time":"2026-07-20T09:02:26Z","timestamp":1784538146023,"version":"3.55.0"},"reference-count":49,"publisher":"MDPI AG","issue":"14","license":[{"start":{"date-parts":[[2026,7,15]],"date-time":"2026-07-15T00:00:00Z","timestamp":1784073600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Animals"],"abstract":"<jats:p>The stranding network of the Basque Country (SAREUS) attended a stranded juvenile female Kogia breviceps on Zarautz (Gipuzkoa, Spain) on 2 October 2025. The necropsy revealed severe pathological findings: (1) plastic and plant debris occupying most of the volume of the main stomach, (2) pulmonary congestion, pink froth in respiratory airways and presence of sand in the oesophagus, and (3) haemorrhagic liver and meninges together with serosanguineous liquid in the pericardium. Results indicate that the individual stranded alive and drowned because of a debilitated condition most likely caused by plastic and plant material ingestion. To understand what happened in the last days of the animal, and to identify behaviours that could lead to plastic ingestion, the stomach content was analysed, including the chemical characterization of the plastic debris through ATR-FTIR and the identification of vegetal and prey species. One possible explanation of the stranding event could have been that reduced foraging ability in a juvenile animal contributed to ingestion of foreign material, although this hypothesis cannot be confirmed from the available evidence.<\/jats:p>","DOI":"10.3390\/ani16142194","type":"journal-article","created":{"date-parts":[[2026,7,15]],"date-time":"2026-07-15T07:29:39Z","timestamp":1784100579000},"page":"2194","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["First Documented Fatal Gastric Obstruction Associated with Ingestion of Plastics and Vegetation in a Juvenile Kogia breviceps"],"prefix":"10.3390","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2623-3983","authenticated-orcid":false,"given":"Denis","family":"Benito","sequence":"first","affiliation":[{"name":"Research Centre for Experimental Marine Biology and Biotechnology (PiE-EHU), University of the Basque Country (EHU), 48940 Plentzia, 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University of the Basque Country (EHU), 48940 Plentzia, Basque Country, Spain"},{"name":"Life Cycle Thinking Group, Department of Graphic Design and Engineering Projects, Faculty of Engineering in Bilbao, University of the Basque Country (EHU), 48013 Bilbao, Basque Country, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5136-765X","authenticated-orcid":false,"given":"Julen","family":"Ibarretxe","sequence":"additional","affiliation":[{"name":"Research Centre for Experimental Marine Biology and Biotechnology (PiE-EHU), University of the Basque Country (EHU), 48940 Plentzia, Basque Country, Spain"},{"name":"Life Cycle Thinking Group, Department of Applied Physics, Faculty of Engineering in Bilbao, University of the Basque Country (EHU), 48013 Bilbao, Basque Country, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4335-0663","authenticated-orcid":false,"given":"Nahiara","family":"Muguerza","sequence":"additional","affiliation":[{"name":"Research Centre for Experimental Marine Biology and Biotechnology (PiE-EHU), University of the Basque Country (EHU), 48940 Plentzia, Basque Country, Spain"},{"name":"Laboratory of Botany, Department of Plant Biology and Ecology, Faculty Science and Technology, University of the Basque Country (EHU), 48013 Bilbao, Basque Country, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Irune","family":"Valenciano","sequence":"additional","affiliation":[{"name":"Research Centre for Experimental Marine Biology and Biotechnology (PiE-EHU), University of the Basque Country (EHU), 48940 Plentzia, Basque Country, 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