What is the function of #birds' 🌈 colourful feathers ?

ERC grantee Gavin Thomas @GTAlstonWader @sheffielduni found that tropical songbirds are more colourful than non-tropical birds, and that this helps them to survive. 🦜

More in @ConversationUK 👇 https://bit.ly/3r8vIhZ

🐦🔗: https://nitter.eu/ERC_Research/status/1515238571900235777