Birds-of-paradise can emit green, yellow and pale blue light from their bodies. It’s believed this ability – known as biofluorescence – helps the birds to stand out or hide in their tropical forest ...
The always colorful males light up with biofluorescence, sending off signals. A male Paradisaea rubra, or red bird-of-paradise.Credit...Rene Martin/American Museum of Natural History Supported by By ...
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