Fungal signatures of oral disease reflect environmental degradation in a facultative avian scavenger

Pitarch, Aida; Diéguez‐Uribeondo, Javier; Martín-Torrijos, Laura; Blanco, Guillermo

doi:10.1016/j.scitotenv.2022.155397

Cited by 5 publications

(3 citation statements)

References 144 publications

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“…This area is crossed by the Manzanares River after its passage through the city of Madrid. It is an area highly degraded by pollution and alteration of the habitat structure due to legal and illegal urban developments, large infrastructures, gravel extraction, and intensive irrigated agriculture and cattle ranching [ 54 , 55 ]. The area is very close to the largest landfill in Spain (Valdemingómez), where a large incinerator of solid waste from the city of Madrid and surrounding areas is located, as well as another landfill located in the municipal district of Pinto ( Figure 2 ).…”

Section: Methodsmentioning

confidence: 99%

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Domestic Waste and Wastewaters as Potential Sources of Pharmaceuticals in Nestling White Storks (Ciconia ciconia)

et al. 2023

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Information on the exposure of wild birds to pharmaceuticals from wastewater and urban refuse is scarce despite the enormous amount of drugs consumed and discarded by human populations. We tested for the presence of a battery of antibiotics, NSAIDs, and analgesics in the blood of white stork (Ciconia ciconia) nestlings in the vicinity of urban waste dumps and contaminated rivers in Madrid, central Spain. We also carried out a literature review on the occurrence and concentration of the tested compounds in other wild bird species to further evaluate possible shared exposure routes with white storks. The presence of two pharmaceutical drugs (the analgesic acetaminophen and the antibiotic marbofloxacin) out of fourteen analysed in the blood of nestlings was confirmed in 15% of individuals (n = 20) and in 30% of the nests (n = 10). The apparently low occurrence and concentration (acetaminophen: 9.45 ng mL−1; marbofloxacin: 7.21 ng mL−1) in nestlings from different nests suggests the uptake through food acquired in rubbish dumps rather than through contaminated flowing water provided by parents to offspring. As with other synthetic materials, different administration forms (tablets, capsules, and gels) of acetaminophen discarded in household waste could be accidentally ingested when parent storks forage on rubbish to provide meat scraps to their nestlings. The presence of the fluoroquinolone marbofloxacin, exclusively used in veterinary medicine, suggests exposure via consumption of meat residues of treated animals for human consumption found in rubbish dumps, as documented previously at higher concentrations in vultures consuming entire carcasses of large livestock. Control measures and ecopharmacovigilance frameworks are needed to minimize the release of pharmaceutical compounds from the human population into the environment.

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Section: Methodsmentioning

confidence: 99%

“…Due to these inputs, the area was pointed out for its high pollution levels in the soil and water [ 60 , 61 ]. Similarly, studies carried out on wild birds also highlighted the high levels of multiple pollutants of different origins uptaken via different routes of exposure [ 55 , 62 , 63 ].…”

Section: Methodsmentioning

confidence: 99%

Domestic Waste and Wastewaters as Potential Sources of Pharmaceuticals in Nestling White Storks (Ciconia ciconia)

et al. 2023

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“…The area has been noted for its high levels of soil and water contamination [53], and references therein] despite the fact that its surroundings belong to a protected area (Parque Regional del Sureste) with high landscape and biodiversity values [56]. Studies on wild birds inhabiting this area have shown high levels of multiple pollutants of different origins [53,[57][58][59]. The red kites that feed in the aforementioned landfills establish their communal roosts in the riparian forest of the Manzanares River downstream of the city of Madrid (Figure 1).…”

Section: Study Areamentioning

confidence: 99%

Rabbits or Refuse? Landfill Use and Relevance as a Food Source for an Increasing Wintering Population of the Red Kite

Vicente-Hernández,

Martínez,

Blanco

2023

Diversity

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Household waste landfills represent a huge source of trophic resources for opportunistic and versatile wildlife species. Among them, the red kite (Milvus milvus) is one of the most endangered in Europe. Several studies have pointed out the importance of landfills as a source of food for this species during the wintering season, but the information on the frequency, seasonal and daily patterns of use, and age of red kites that exploit this food source is still insufficient to understand their actual role in conservation. In this study, we evaluated the patterns of use of household waste by overwintering red kites in southeastern Madrid, central Spain. The results showed the constant presence of relatively low numbers (<30 on average) and a reduced hourly inflow and outflow of red kites throughout the day and during the whole winter period in the studied landfill. A higher proportion of juveniles was found in the landfill than in the overall wintering population. Pellet analysis clearly shows that the diet of red kites is dominated by the wild rabbit (Oryctolagus cuniculus), which is quantitatively very relevant compared to household waste obtained from the landfill. This suggests a relatively low quantitative importance of landfills as foraging grounds for the increasing population of wintering red kites in the study area. Instead, the high regional density of wild rabbits attracts large numbers of red kites that can eventually use landfills as a non-optimal last-resort foraging option, owing to the predictability of household waste, especially for juveniles. The continuous presence of red kites in landfills likely influences an uninformed positive perception about their relevance to the conservation of the wintering population, despite risks there faced, such as collision, electrocution, and intoxication. Future research is needed to assess in depth the influence of wild rabbits in Spain on the habitat use and global population dynamics of red kites.

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Immigration hides the decline caused by an anthropogenic trap and drives the spectacular increase of a mobile predator

Natsukawa,

Tavecchia,

Frías

et al. 2024

Oecologia

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Fungal signatures of oral disease reflect environmental degradation in a facultative avian scavenger

Cited by 5 publications

References 144 publications

Domestic Waste and Wastewaters as Potential Sources of Pharmaceuticals in Nestling White Storks (Ciconia ciconia)

Domestic Waste and Wastewaters as Potential Sources of Pharmaceuticals in Nestling White Storks (Ciconia ciconia)

Rabbits or Refuse? Landfill Use and Relevance as a Food Source for an Increasing Wintering Population of the Red Kite

Immigration hides the decline caused by an anthropogenic trap and drives the spectacular increase of a mobile predator

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