Acrocephalus
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Related Articles from SNS
Inbreeding depression by polygenic load following a severe population bottleneck
It is poorly understood how populations survive extreme bottlenecks despite severe inbreeding. We investigate the genomic architecture of inbreeding in the once critically endangered Seychelles warbler (Acrocephalus sechellensis) using 37 years of individual-based monitoring and 1.8 million SNPs. Linkage disequilibrium patterns reveal a historical effective population size of ~270 that plummeted to ~13 coinciding with human colonisation events of the Seychelles archipelago.