ArticleScientific reports2016
The impact of conservation-driven translocations on blood parasite prevalence in the Seychelles warbler.
Article in Scientific reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 20 citations in OpenAlex.
- Asynchrony of ageing among traits in a wild bird population.Evolution letters · 2026Article
- Long-term trends in parasite diversity and infection levels: approaches and patterns.Biological reviews of the Cambridge Philosophical Society · 2026Review
- Mixing in Moderation: Slow Transmission of Non-Local Macroparasites Following a Population Augmentation of an Endangered Australian Skink.Molecular ecology · 2025Article
- Host shift and natural long-distance dispersal to an oceanic island of a host-specific parasite.Biology letters · 2023Article
- Immunogenetic variation shapes the gut microbiome in a natural vertebrate population.Microbiome · 2022Article
- Altered parasite community structure in an endangered marsupial following translocation.International journal for parasitology. Parasites and wildlife · 2019Article
- Increased Trypanosoma spp. richness and prevalence of haemoparasite co-infection following translocation.Parasites & vectors · 2019Article
- Detecting local transmission of avian malaria and related haemosporidian parasites (Apicomlexa, Haemosporida) at a Special Protection Area of Natura 2000 network.Parasitology research · 2018Article
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Authors and funding
7 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Introduced populations often lose the parasites they carried in their native range, but little is known about which processes may cause parasite loss during host movement. Conservation-driven translocations could provide an opportunity to identify the mechanisms involved. Using 3,888 blood samples collected over 22 years, we investigated parasite prevalence in populations of Seychelles warblers (Acrocephalus sechellensis) after individuals were translocated from Cousin Island to four new islands (Aride, Cousine, Denis and Frégate). Only a single parasite (Haemoproteus nucleocondensus) was detected on Cousin (prevalence = 52%). This parasite persisted on Cousine (prevalence = 41%), but no infection was found in individuals hatched on Aride, Denis or Frégate. It is not known whether the parasite ever arrived on Aride, but it has not been detected there despite 20 years of post-translocation sampling. We confirmed that individuals translocated to Denis and Frégate were infected, with initial prevalence similar to Cousin. Over time, prevalence decreased on Denis and Frégate until the parasite was not found on Denis two years after translocation, and was approaching zero prevalence on Frégate. The loss (Denis) or decline (Frégate) of H. nucleocondensus, despite successful establishment of infected hosts, must be due to factors affecting parasite transmission on these islands.
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