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Kennedy, Martyn; Taylor, Scott A.; Nádvorník, Petr; Spencer, Hamish G. (2013). "The phylogenetic relationships of the extant pelicans inferred from DNA sequence data". Molecular Phylogenetics and Evolution. 66 (1): 215–222. Bibcode:2013MolPE..66..215K. doi:10.1016/j.ympev.2012.09.034. PMID23059726.
Turner, Angela (2020). Elliott, A.; Christie, D.A.; Jutglar, F.; de Juana, E.; Kirwan, G.M. (eds.). "Brown Pelican (Pelecanus occidentalis)". Handbook of the Birds of the World Alive. Barcelona: Lynx Edicions. doi:10.2173/bow.brnpel.01. Retrieved August 18, 2017.
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Kennedy, Martyn; Taylor, Scott A.; Nádvorník, Petr; Spencer, Hamish G. (2013). "The phylogenetic relationships of the extant pelicans inferred from DNA sequence data". Molecular Phylogenetics and Evolution. 66 (1): 215–222. Bibcode:2013MolPE..66..215K. doi:10.1016/j.ympev.2012.09.034. PMID23059726.
Anderson, Daniel W.; Keith, James O. (1980-06-01). "The human influence on seabird nesting success: Conservation implications". Biological Conservation. 18 (1): 65–80. Bibcode:1980BCons..18...65A. doi:10.1016/0006-3207(80)90067-1.
Turner, Angela (2020). Elliott, A.; Christie, D.A.; Jutglar, F.; de Juana, E.; Kirwan, G.M. (eds.). "Brown Pelican (Pelecanus occidentalis)". Handbook of the Birds of the World Alive. Barcelona: Lynx Edicions. doi:10.2173/bow.brnpel.01. Retrieved August 18, 2017.
Kennedy, Martyn; Taylor, Scott A.; Nádvorník, Petr; Spencer, Hamish G. (2013). "The phylogenetic relationships of the extant pelicans inferred from DNA sequence data". Molecular Phylogenetics and Evolution. 66 (1): 215–222. Bibcode:2013MolPE..66..215K. doi:10.1016/j.ympev.2012.09.034. PMID23059726.