Gallo L, Vanstreels RET, Cook RA, Karesh WB, Uhart M. 2019. Hematology, plasma biochemistry, and trace element reference values for free-ranging adult Magellanic Penguins (Spheniscus magellanicus). Polar Biology 42(4): 733-742. doi:10.1007/s00300-019-02467-7