Craig, A.J.F.; del Hoyo, J.; Collar, N.; Kirwan, G.M. (2022). Billerman, S.M.; Sly, N.D. (eds.). "Red-cowled Widowbird (Euplectes laticauda), version 1.0". Birds of the World. Ithaca, NY, USA: Cornell Lab of Ornithology. doi:10.2173/bow.recwid2.01.
Pryke, Sarah R.; Lawes, Michael J.; Andersson, Staffan (2001). "Agonistic carotenoid signalling in male red-collared widowbirds: aggression related to the colour signal of both the territory owner and model intruder". Animal Behaviour. 62 (4): 695–704. doi:10.1006/anbe.2001.1804. S2CID16858961.
Andersson, Staffan; Pryke, Sarah; Ornborg, Jonas; Michael J. Lawes; Malte Andersson (November 2002). "Multiple Receivers, Multiple Ornaments, and a Trade-off between Agonistic and Epigamic Signaling in a Widowbird". The American Naturalist. 160 (5): 683–691. doi:10.1086/342817. PMID18707516. S2CID38711265.
Andersson, Staffan; Pryke, Sarah; Ornborg, Jonas; Michael J. Lawes; Malte Andersson (November 2002). "Multiple Receivers, Multiple Ornaments, and a Trade-off between Agonistic and Epigamic Signaling in a Widowbird". The American Naturalist. 160 (5): 683–691. doi:10.1086/342817. PMID18707516. S2CID38711265.
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Pryke, Sarah R.; Lawes, Michael J.; Andersson, Staffan (2001). "Agonistic carotenoid signalling in male red-collared widowbirds: aggression related to the colour signal of both the territory owner and model intruder". Animal Behaviour. 62 (4): 695–704. doi:10.1006/anbe.2001.1804. S2CID16858961.
Andersson, Staffan; Pryke, Sarah; Ornborg, Jonas; Michael J. Lawes; Malte Andersson (November 2002). "Multiple Receivers, Multiple Ornaments, and a Trade-off between Agonistic and Epigamic Signaling in a Widowbird". The American Naturalist. 160 (5): 683–691. doi:10.1086/342817. PMID18707516. S2CID38711265.