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GILL, B. J.; ZHU, Amy; PATEL, Selina. Post-mortem examinations of New Zealand birds. 2. Long-tailed cuckoos ( Eudynamys taitensis , Aves: Cuculinae). New Zealand Journal of Zoology. 2018-10-02, roč. 45, čís. 4, s. 371–386. Dostupné online [cit. 2023-06-21]. ISSN0301-4223. DOI10.1080/03014223.2018.1457545. (anglicky)
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LEE, Yun Sun; CHEONG, Eujin; PARK, Jin Young. Complete mitochondrial genome of Asian koel Eudynamys scolopaceus (Aves: Cuculiformes) from South Korea. Mitochondrial DNA Part B. 2022-11-02, roč. 7, čís. 11, s. 1893–1895. Dostupné online [cit. 2023-06-21]. ISSN2380-2359. DOI10.1080/23802359.2022.2134745. PMID36340924. (anglicky)
GILL, B. J.; ZHU, Amy; PATEL, Selina. Post-mortem examinations of New Zealand birds. 2. Long-tailed cuckoos ( Eudynamys taitensis , Aves: Cuculinae). New Zealand Journal of Zoology. 2018-10-02, roč. 45, čís. 4, s. 371–386. Dostupné online [cit. 2023-06-21]. ISSN0301-4223. DOI10.1080/03014223.2018.1457545. (anglicky)