Butterfly keeper Heather Prince holds one of a newly-emerged Atlas Moth (Attacus Atlas) a Chester Zoo. With a wingspan of 30cm it is the largest moth species in the world.
Picture: Peter Byrne/PA (via Animal pictures of the week: 10 August 2012 - Telegraph)
I saw this beauty at the museum of natural history last year, looks just as awesome in person. Such a neat defense mechanism, using design and art to the fullest to protect itself from predators.