There’s a Theme Running Through It

Today, a common thread weaves through five seemingly unrelated questions.

One

What is the largest butterfly in the UK? It has a ten-letter name and lives in the Norfolk Broads. 

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Two

In what 1975 novel does IRA member Liam Devlin take part in a wartime plot to kidnap Winston Churchill?

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Three

In the 1955 film, To Catch a Thief (1955), who is seen sitting beside Cary Grant and a pair of caged birds on a bus? 

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Four

What single answer satisfies all of the following: the title of Fleetwood Mac’s only number one hit on the UK Singles Chart; a significant being in The Rime of the Ancient Mariner; and in golf, refers to a score of three strokes under par for a hole?

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Five

Eudyptes chrysolophus: part of this bird’s name is also a type of pasta. What pasta? 

Good luck! The answers will be posted later.