Plastic pollution in the oceans is causing widespread harm to seabirds through ingestion and entanglement, with serious welfare consequences for individuals and populations.
Seabirds with stomachs full of plastic experience reduced ability to absorb nutrients from food, leading to progressive starvation even when food is available. Chicks that receive plastic instead of fish from parents suffer nutritional deficiency and intestinal damage. Reducing plastic pollution at source is the only effective long-term solution to seabird plastic welfare impacts.