"The oldest layer is as old as me — all my life, a bird was nesting here," said Auke-Florian Hiemstra, a biologist at the ...

Biofluorescence is widespread in birds-of-paradise, a group of tropical birds famous for their spectacular courtship dances.

She says no BioPark birds have caught it, but they are bringing some birds inside and adding tarps to other enclosures as a protective measure. “Really any bird can be susceptible to it.