Tourist attraction El Capricho de Gaudi (The Caprice Villa Quijano) at Comillas in Cantabria, Northern Spain

Belvedere Tower tourist attraction El Capricho de Gaudi (The Caprice Villa Quijano) at Comillas in Cantabria, Northern Spain

Tourist attraction El Capricho de Gaudi (The Caprice Villa Quijano) at Comillas in Cantabria, Northern Spain

A decorated bus in Islamabad, Pakistan

Budgerigar perched on branch, Queensland, Australia

A lorry decorated with paintings and symbols in Islamabad, Pakistan

Rueppell's Glossy-Starling, Grumeti, Tanzania, East Africa

Rueppell's Glossy-Starling, Grumet, Tanzania, East Africa

Superb Starling, Serengeti, Tanzania, East Africa

Malachite Kingfisher, Ngorongoro Crater, Tanzania, East Africa

Brightly coloured exterior in terracotta colours of orange and red, Kinsale, County Cork, Ireland

Little Bee-eater, Ngorongoro, Tanzania, East Africa