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61,005 resultsShowing papers similar to Plastic debris in marine birds from an island located in the South China Sea
ClearSpecies-specific accumulation of microplastics in different bird species from South China: A comprehensive analysis
Across 24 bird species in South China, insectivorous birds accumulated significantly more small microplastics (under 0.1 mm) than other feeding guilds, while piscivorous birds accumulated more large microplastics (over 1 mm). Diet source was a stronger predictor of microplastic contamination than trophic level or body weight, with polypropylene and PET as the dominant polymer types found.
Plastic ingestion by seabirds in New Caledonia, South Pacific
Researchers examined stomach contents of 90 seabirds from 12 species in New Caledonia and found plastic debris in 14.4% of individuals, with the highest rates in procellariids (petrels and shearwaters), providing the first plastic ingestion baseline for this Pacific island region.
Plastic ingestion in seabirds of the western Indian Ocean
Researchers examined stomach contents of 222 seabirds from nine species in the western Indian Ocean and found plastic in all species, with tropical shearwaters (79%) and Barau's petrels (59%) most affected, and juvenile birds carrying significantly greater plastic mass than adults, indicating regional ocean plastic pollution and age-dependent exposure risks.
Plastic debris ingestion by seabirds on the Korean Peninsula
Researchers examined plastic ingestion in 387 seabirds of 11 species on the Korean Peninsula and found the highest frequency in Swinhoe's storm petrels (93.7%), with plastic characteristics varying by species feeding ecology, providing baseline data for monitoring marine debris impacts in East Asian waters.
Characterization of Plastics Ingested by the Bioindicator Cory’s Shearwater from Tenerife Island (Canary Islands): Implications for Marine Environmental Monitoring
Researchers characterised 674 plastic items found in the stomachs of Cory's shearwater fledglings from the Canary Islands, finding that ingested plastics were predominantly large microplastics (1-5 mm, 82%) with threadlike morphology, and that the birds serve as effective bioindicators of marine plastic pollution in the eastern Atlantic.
Microplastic ingestion: Are seabirds more affected than other marine species?
This review examines whether seabirds ingest plastic more frequently than other marine species, finding they are among the most affected groups with high rates of plastic ingestion documented across species. The review discusses factors including foraging behavior, habitat, and ocean plastic concentrations that explain why seabirds are particularly vulnerable.
Exposure to microplastics by pelagic and coastal seabirds from temperate and tropical environments
Researchers examined microplastic exposure in pelagic and coastal seabird species from temperate and tropical marine environments, using the birds' broad spatial distribution and feeding behavior to assess microplastic distribution and concentration patterns across oceanic regions.
Micro- and mesoplastic contaminants in marine diving ducks: A first assessments from the coast of Japan
Researchers conducted the first assessment of plastic contamination in two species of mollusk-eating seaducks wintering along Japan's Pacific coast and found microplastics in all ten birds examined. The vast majority of particles were tiny fragments under 200 micrometers, a size class previously overlooked in seaduck studies, suggesting these birds ingest microplastics primarily through their contaminated prey.
Contamination of coastal and marine bird species with plastics: Global analysis and synthesis
This review summarizes global data on plastic contamination in coastal and marine bird species across all seven continents, finding that seabirds like fulmars, shearwaters, and albatrosses are the most heavily affected. Birds ingest microplastics, mesoplastics, and macroplastics that can cause death directly through gut blockage and indirectly through toxic chemicals absorbed onto or released from the plastic. Several contaminated species are already classified as endangered.
Microplastics in full view: Birds as bioindicators of Malta's coastal ecosystem health
This study used coastal water birds as bioindicators to assess microplastic contamination along Malta's Mediterranean coastline, finding microplastics in multiple bird species. The approach demonstrates how wildlife monitoring can provide a practical method for tracking regional marine pollution levels.
Birds and plastic pollution: recent advances
This review summarizes how plastic pollution affects birds across both aquatic and terrestrial habitats, covering ingestion, entanglement, and chemical exposure from macro- and microplastics. Researchers found that hundreds of bird species have accumulated plastic in their tissues, with effects ranging from physical injury to hormonal disruption and reproductive harm. The study positions birds as valuable indicator species for monitoring the broader environmental impact of plastic pollution.
Microplastics ingestion and chemical pollutants in seabirds of Gran Canaria (Canary Islands, Spain)
Gastrointestinal examination of 88 seabirds from 14 species on Gran Canaria revealed widespread plastic ingestion alongside elevated chemical pollutant levels in liver tissue. The study documents the co-occurrence of plastic ingestion and chemical contamination in Canary Island seabirds, where plastic pollution research has previously been limited.
Widespread microplastic and nanoplastic contamination in the intestines of birds: A case study from Chengdu, China
Researchers found microplastics and nanoplastics in the intestines of 49 bird species in Chengdu, China, with PVC and chlorinated polyethylene being the most common types. Nanoplastics, which are harder to detect and potentially more harmful, were confirmed in five species using advanced analytical methods. The widespread contamination across many bird species suggests that microplastic pollution has thoroughly penetrated terrestrial food webs, not just marine environments.
Marine debris ingestion by adults and fledglings of Swinhoe's storm petrels in the Republic of Korea
Researchers analyzed stomach contents of stranded Swinhoe's storm petrel carcasses from a Korean breeding colony and found that both adults and fledglings ingested predominantly microplastics, with juveniles consuming more plastic by weight than adults and the two age groups ingesting different particle shapes, suggesting separate foraging behaviors.
Birds as Bioindicators: Revealing the Widespread Impact of Microplastics
This systematic review found microplastics in over 200 bird species across the globe, from Antarctica to South Europe. Birds can suffer gut damage, oxidative stress, and toxic chemical buildup from ingesting plastics — a warning sign for broader ecosystem and food chain contamination that could affect humans too.
Occurrence of microplastics in gastrointestinal tracts and gills of fish from Beibu Gulf, South China Sea
Researchers examined microplastic contamination in 24 fish species from Beibu Gulf in the South China Sea. Microplastics were detected in half the species, predominantly as transparent fibers found mainly in the stomach, with polyester and nylon being the most common polymers. The overall microplastic abundance was relatively low, and demersal fish tended to contain more particles than pelagic species.
The hidden cost of following currents: Microplastic ingestion in a planktivorous seabird
Researchers documented microplastic ingestion in Mediterranean storm petrels, finding that these planktivorous seabirds ingest microplastics while foraging in pelagic areas where plastic debris accumulates alongside their planktonic prey in ocean currents.
Assessing microplastic and nanoplastic contamination in bird lungs: evidence of ecological risks and bioindicator potential
Researchers examined the lungs of 51 bird species and found microplastics in all of them, averaging over 400 particles per gram of lung tissue, with nanoplastics also detected in five species tested. Birds may serve as early warning indicators of airborne plastic pollution, and the widespread contamination of their lungs suggests that humans breathing the same air face similar exposure risks.
Feeding Habits and the Occurrence of Anthropogenic Debris in the Stomach Content of Marine Fish from Pattani Bay, Gulf of Thailand
Researchers found anthropogenic debris in the stomachs of 12 of 34 marine fish species from the Gulf of Thailand, with planktivorous fish ingesting the most debris and blue-colored items predominating, with ingestion rates peaking during the northeast monsoon season.
Seabirds in a flap: The ingestion of meso/macro marine debris, microplastics and oil/tar by marine and coastal birds in the United Arab Emirates
Researchers documented the first published data on solid marine debris, microplastic, and oil ingestion by seabirds in the Arabian Gulf and Red Sea, finding that multiple coastal and marine bird species in the Middle East regularly ingest plastic particles and petroleum residues.
Delving into South China Sea microplastic pollution: Abundance, composition, and environmental risk
Researchers characterized microplastic abundance, composition, and environmental risk across four typical islands in the South China Sea, filling a knowledge gap in a region of high ecological and fisheries importance. The study found significant microplastic contamination with polymer types and concentrations posing measurable ecological risk to the archipelago's marine ecosystems.
Microplastic prevalence in marine fish from onshore Beibu Gulf, South China Sea
Researchers examined 271 fish across 32 species from the Beibu Gulf and found microplastics in the majority of samples, with fibers being the most common type and abundance varying by species, feeding habits, and habitat.
Assessing the risks of marine debris ingestion to Procellariiform seabirds
This study assessed the risks of marine debris ingestion for Procellariiform seabirds — one of the world's most threatened bird groups — finding that plastic ingestion poses significant risks to health and survival. The analysis highlights how plastic pollution interacts with other stressors affecting globally threatened seabird species.
Long-term variations in size and polymer type of meso- and microplastics in seabirds and on beaches since the 1980s
Researchers analyzed plastics found in seabird stomachs and on beaches at a remote South Atlantic island across several decades since the 1980s to track long-term changes in marine plastic pollution. They found shifts in the types and sizes of plastic polymers over time, reflecting changes in global plastic production and how plastics degrade at sea. The study demonstrates that seabirds can serve as effective long-term monitors of floating plastic pollution trends in the ocean.