EWEN, John G.; FLUX, Ian; ERICSON, Per G.P.. Systematic affinities of two enigmatic New Zealand passerines of high conservation priority, the hihi or stitchbird Notiomystis cincta and the kokako Callaeas cinerea. Molecular Phylogenetics and Evolution, 2006-7, roč. 40, čís. 1, s. 281–284. Dostupné online [cit. 2019-10-19]. DOI: 10.1016/j.ympev.2006.01.026. (po anglicky)
SHEPHERD, Lara D.; LAMBERT, David M.. The relationships and origins of the New Zealand wattlebirds (Passeriformes, Callaeatidae) from DNA sequence analyses. Molecular Phylogenetics and Evolution, 2007-5, roč. 43, čís. 2, s. 480–492. Dostupné online [cit. 2019-10-19]. DOI: 10.1016/j.ympev.2006.12.008. (po anglicky)
elsevier.com
linkinghub.elsevier.com
EWEN, John G.; FLUX, Ian; ERICSON, Per G.P.. Systematic affinities of two enigmatic New Zealand passerines of high conservation priority, the hihi or stitchbird Notiomystis cincta and the kokako Callaeas cinerea. Molecular Phylogenetics and Evolution, 2006-7, roč. 40, čís. 1, s. 281–284. Dostupné online [cit. 2019-10-19]. DOI: 10.1016/j.ympev.2006.01.026. (po anglicky)
SHEPHERD, Lara D.; LAMBERT, David M.. The relationships and origins of the New Zealand wattlebirds (Passeriformes, Callaeatidae) from DNA sequence analyses. Molecular Phylogenetics and Evolution, 2007-5, roč. 43, čís. 2, s. 480–492. Dostupné online [cit. 2019-10-19]. DOI: 10.1016/j.ympev.2006.12.008. (po anglicky)
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KOVALIK, Peter, et al. Slovenské mená vtákov sveta [online]. Bratislava: SOS/BirdLife Slovensko, 2010 (2015), rev. 2015-11-07. Dostupné online.