Puffins have fluorescent beaks and scientists don't know exactly why

Beaks of well-known seabirds have previously unknown patterns that are only revealed to human vision under a UV light source: http://www.independent.co.uk/news/science/puffin-beaks-fluorescent-hidden-attract-opposite-sex-seabirds-uv-a8293701.html #Headlines by: Josh Gabbatiss

Original Post: https://www.independent.co.uk/news/science/puffin-beaks-fluorescent-hidden-attract-opposite-sex-seabirds-uv-a8293701.html