Swallowtail butterfly (Papilio machaon) (IMAGE)

University of Cambridge

Swallowtail butterfly (Papilio machaon)

Caption

Butterfly populations in Catalonia in northern Spain are better than their UK counterparts at regulating their body temperature by basking in the sunshine, but rising global temperatures due to climate change may put Spanish butterflies at greater risk of extinction.

Credit

Andrew Bladon

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Please credit to Andrew Bladon

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