ArticlePloS one2019
Genomic impact of severe population decline in a nomadic songbird.
Article in PloS one, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 25 citations in OpenAlex.
- Genomic signatures of population isolation in an endangered European rodent.BMC genomics · 2026Article
- The Genomic Signature of Demographic Decline in a Long-Distance Migrant in a Range-Extreme Population.Molecular ecology · 2025Article
- Time-lagged genomic erosion and future environmental risks in a bird on the brink of extinction.Proceedings. Biological sciences · 2025Article
- Functional connectivity patterns of the Giant Toad Rhinella horribilis in anthropogenically modified landscapes.PloS one · 2025Article
- Influence of molecular marker type on estimating effective population size and other genetic parameters in a critically endangered parrot.Ecology and evolution · 2024Article
- Performance and automation of ancient DNA capture with RNA hyRAD probes.Molecular ecology resources · 2022Article
- Loss of vocal culture and fitness costs in a critically endangered songbird.Proceedings. Biological sciences · 2021Article
- Museomics identifies genetic erosion in two butterfly species across the 20th century in Finland.Molecular ecology resources · 2020Article
- Robbery in progress: Historical museum collections bring to light a mitochondrial capture within a bird species widespread across southern Australia, the Copperback Quail-thrushEcology and evolution · 2020Article
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Authors and funding
12 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Uncovering the population genetic histories of non-model organisms is increasingly possible through advances in next generation sequencing and DNA sampling of museum specimens. This new information can inform conservation of threatened species, particularly those for which historical and contemporary population data are unavailable or challenging to obtain. The critically endangered, nomadic regent honeyeater Anthochaera phrygia was abundant and widespread throughout south-eastern Australia prior to a rapid population decline and range contraction since the 1970s. A current estimated population of 250-400 individuals is distributed sparsely across 600,000 km2 from northern Victoria to southern Queensland. Using hybridization RAD (hyRAD) techniques, we obtained a SNP dataset from 64 museum specimens (date 1879-1960), 102 'recent' (1989-2012) and 52 'current' (2015-2016) wild birds sampled throughout the historical and contemporary range. We aimed to estimate population genetic structure, genetic diversity and population size of the regent honeyeater prior to its rapid decline. We then assessed the impact of the decline on recent and current population size, structure and genetic diversity. Museum sampling showed population structure in regent honeyeaters was historically low, which remains the case despite a severe fragmentation of the breeding range. Population decline has led to minimal loss of genetic diversity since the 1980's. Capacity to quantify the overall magnitude of both genetic diversity loss and population decline was limited by the poorer quality of genomic data derived from museum specimens. A rapid population decline, coupled with the regent honeyeater's high mobility, means a detectable genomic impact of this decline has not yet manifested. Extinction may occur in this nomadic species before a detectable genomic impact of small population size is realised. We discuss the implications for genetic management of endangered mobile species and enhancing the value of museum specimens in population genomic studies.
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