The Oriental hornet uses xanthopterin as a light-harvesting molecule to transform light into electrical energy, which explains why the insects are more active when light intensity is greater.
2.
A 2010 study by researchers at Tel Aviv University discovered that the Oriental hornet ( " Vespa orientalis " ) converts sunlight into electric power using a pigment called xanthopterin.
3.
The bright yellow eyes of the great horned owl are thought to be due to the presence of the pteridine pigment xanthopterin within certain chromatophores ( called xanthophores ) located in the iris stroma.
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