Trewick, Steve A.; Pilkington, Stephen; Shepherd, Lara D.; Gibb, Gillian C.; Morgan-Richards, Mary (2017). "Closing the gap: Avian lineage splits at a young, narrow seaway imply a protracted history of mixed population response". Molecular Ecology26 (20). pp.5752–5772. PMID28805283. doi:10.1111/mec.14323.
Trewick, Steve A.; Pilkington, Stephen; Shepherd, Lara D.; Gibb, Gillian C.; Morgan-Richards, Mary (2017). "Closing the gap: Avian lineage splits at a young, narrow seaway imply a protracted history of mixed population response". Molecular Ecology26 (20). pp.5752–5772. PMID28805283. doi:10.1111/mec.14323.