Biofluorescence in the platypus (Ornithorhynchus anatinus)
2021
Anich, Paula Spaeth | Anthony, Sharon | Carlson, Michaela | Gunnelson, Adam | Kohler, Allison M. | Martin, Jonathan G. | Olson, Erik R.
The occurrence of biofluorescence across Mammalia is an area of active study. We examined three specimens of the platypus (Ornithorhynchus anatinus) from Tasmania and New South Wales, Australia, housed in the Field Museum of Natural History (Chicago, Illinois, USA) and the University of Nebraska State Museum (Lincoln, Nebraska, USA) under visible light and ultraviolet (UV) light. The pelage of the animals appeared uniformly brown under visible light and green or cyan under UV light, due to fluoresced wavelengths that peaked around 500 nm. Our observations are the first report of biofluorescence in a monotreme mammal.
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