Summary: This week Ruairidh begins his letter by taling about a paper that came out about the history of eagles in Britain and Ireland last year. The research was based on place names. He explains the difference between different eagles and how we can identify them. Ruairidh then offers us a surprise by talking about an animal that has since become extinct. Learn more about eagles and about this surpise animal in this week's letter.Accompanying Gaelic text, grammar points and vocabulary are all available at bbc.co.uk/litir
