Ewen, J.G. & D.P. Armstrong (2002) : "Unusual sexual behaviour in the Stitchbird (or Hihi) Notiomystis cincta". Ibis144 (3): 530-531 doi:10.1046/j.1474-919X.2002.00079.x
* Ewen, J.G., Flux, I., and Ericson, P.G.P. (2006) 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 Evolution40 281-284 doi:10.1016/j.ympev.2006.01.026PDF fulltextArkiverad 19 april 2021 hämtat från the Wayback Machine.
Anderson, Sue (1993): Stitchbirds copulate front to front. Notornis40(1): 14. PDF fulltextArkiverad 28 juni 2007 hämtat från the Wayback Machine.
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* Ewen, J.G., Flux, I., and Ericson, P.G.P. (2006) 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 Evolution40 281-284 doi:10.1016/j.ympev.2006.01.026PDF fulltextArkiverad 19 april 2021 hämtat från the Wayback Machine.
Anderson, Sue (1993): Stitchbirds copulate front to front. Notornis40(1): 14. PDF fulltextArkiverad 28 juni 2007 hämtat från the Wayback Machine.
* Ewen, J.G., Flux, I., and Ericson, P.G.P. (2006) 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 Evolution40 281-284 doi:10.1016/j.ympev.2006.01.026PDF fulltextArkiverad 19 april 2021 hämtat från the Wayback Machine.