Thomas, D.B., C.M. McGoverin, K.J. McGraw, H.F. James, and O. Madden. 2013. Vibrational spectroscopic analyses of unique yellow feather pigments (spheniscins) in penguins. Journal of the Royal Society Interface 10: 20121065

Recommended Citation

. 2010. Macaroni Penguin (Eudyptes chrysolophus), Neotropical Birds Online (T. S. Schulenberg, Editor). Ithaca: Cornell Lab of Ornithology; retrieved from Neotropical Birds Online: http://neotropical.birds.cornell.edu/portal/species/overview?p_p_spp=93991