Letter: Urban moth

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The Independent Online
Urban moth

Sir: Recently, on the London Underground, I saw a moth in a carriage of the Bakerloo line which was coloured exactly the red and blue of the Tube's logo on the windows (although it was not actually resting on the logo but some distance from it). Presumably it had adopted protective coloration, but I am curious about how it was able to reproduce colours it would have been unlikely to have met in the outside world.

E C BRADLEY

Oxford

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