Clarke, Julia A.; et al. (2010). "Fossil Evidence for Evolution of the Shape and Color of Penguin Feathers". Science. 330 (6006): 954–957. doi:10.1126/science.1193604. PMID20929737.
Zimmer, I., Ropert-Coudert, Y., Kato, A., Ancel, A., & Chiaradia, A. (2011). Does Foraging Performance Change with Age in Female Little Penguins (Eudyptula minor)? PLoS One, 6(1)https://doi.org/10.1371/journal.pone.0016098
Dann, P., & Chambers, L. (2013). Ecological effects of climate change on little penguins Eudyptula minor and the potential economic impact on tourism [Review of Ecological effects of climate change on little penguins Eudyptula minor and the potential economic impact on tourism]. Climate Research, 58(1), 67–79. https://www.jstor.org/stable/24896130
Clarke, Julia A.; et al. (2010). "Fossil Evidence for Evolution of the Shape and Color of Penguin Feathers". Science. 330 (6006): 954–957. doi:10.1126/science.1193604. PMID20929737.
Banks, Jonathan C.; Mitchell, Anthony D.; Waas, Joseph R. & Paterson, Adrian M. (2002): An unexpected pattern of molecular divergence within the blue penguin (Eudyptula minor) complex. Notornis49(1): 29–38. PDF fulltext