ArticleScientific reports2021
The spreading of the invasive sacred ibis in Italy.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 15 citations in OpenAlex.
- Avian influenza overview December 2024-March 2025.EFSA journal. European Food Safety Authority · 2025Article
- Detection of avian influenza virus in the alien invasive African sacred ibis (Frontiers in veterinary science · 2025Article
- A forensic genetic investigation reveals a captive origin for a wild alien population of raccoons in Italy.Scientific reports · 2024Article
- The cumulative niche approach: A framework to assess the performance of ecological niche model projections.Ecology and evolution · 2024Article
- Five decades of breeding populations census for 12 species of colonial waterbirds in northwestern Italy.Scientific data · 2023Article
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Authors and funding
9 authors at 6 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The spreading of invasive species in new continents can vary from slow and limited diffusion to fast colonisations over vast new areas. We studied the sacred ibis Threskiornis aethiopicus along a 31-year period, from 1989 to 2019, with particular attention to the first area of release in NW Italy. We collected data on species distribution through observations by citizen science projects, population density by transects with distance method, breeding censuses at colonies, and post breeding censuses at roosts. The birds counted at winter roosts in NW Italy increased from a few tens up to 10,880 individuals in 2019. Sacred ibises started breeding in 1989, with a single nest in north-western Italy. The number of breeders remained very low until 2006, when both overwintering and breeding sacred ibises started to increase exponentially and expand their range throughout northern Italy with isolated breeding cases in central Italy. In 2019, the number of nests had increased to 1249 nests in 31 colonies. In NW Italy, the density of foraging birds averaged 3.9 ind./km
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