"We all agreed that we should explore this idea." "Plus, who doesn’t want to examine a platypus specimen?" he added. This made platypuses promising candidates for finding biofluorescence in monotremes, Olson told Live Science in an email. The researchers knew that platypuses - like flying squirrels - were active at night and during twilight, when an eerie glow would be visible. "We were preparing for our second day at the Field Museum in Chicago to document biofluorescence in New World flying squirrels, and I started wondering how broadly distributed this trait might be within the animal kingdom," said Erik Olson, co-author of the new study and an associate professor of natural resources at Northland College. While testing the flying squirrel museum specimens for signs of biofluorescence, they decided to look at other mammal species in the same collections too, according to a statement. Kohler, then an undergraduate at Northland College in Ashland, Wisconsin, and her colleagues reported their results on Jan. Study co-author Allison Kohler, a doctoral candidate in the Texas A&M University Wildlife and Fisheries Department in College Station, Texas, had previously tested museum specimens of flying squirrels and found that all three North American species - the northern flying squirrel ( Glaucomys sabrinus), the southern flying squirrel ( Glaucomys volans) and the Humboldt’s flying squirrel ( Glaucomys oregonensis) - glowed bright pink in UV light.
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