Paraglider flying over Kander Valley with Jungfrau, Monch and Eiger mountains in the background, Canton of Bern, Switzerland

Rock formations with distant views of Uchisar Castle at sunrise, Goreme, Cappadocia, Anatolia, Turkey, Asia Minor, Asia

Great Blue Heron in flight, Everglades, Florida, United States of America

Geese flying over Washington DC, USA. Wild birds are at risk if avian flu bird flu virus spreads.

Brown Pelican bird in flight in clear blue sky, Galapagos Islands, Ecuador

Pink-footed Geese migration, Holkham, Norfolk. Migrating birds could risk Avian Flu (Bird Flu Virus)

White-fronted tern (Sterna Striata) in flight with fish in beak, across the Hauraki Gulf off the Coromandel Peninsula, North Island, New Zealand

Brown Pelican bird in flight in clear blue sky, Galapagos Islands, Ecuador

Brown Pelican bird in flight in clear blue sky, Galapagos Islands, Ecuador

Brown Pelican bird in flight in clear blue sky, Galapagos Islands, Ecuador

White-fronted tern (Sterna Striata) in flight across the Hauraki Gulf off the Coromandel Peninsula, North Island, New Zealand

British Airways Jumbo Jet flying away from Heathrow, London, United Kingdom

Three Brown Pelican birds in flight in deep blue sky, Galapagos Islands, Ecuador

Lesser Flamingo, Ngorongoro Crater, Tanzania, East Africa

David by Michelangelo