Adult chinstrap penguin (Pygoscelis antarctica), at breeding colony at Half Moon Island, Antarctica, Polar Regions

Brunnich's guillemot (Uria lomvia) breeding and nesting site at Cape Fanshawe in the Svalbard Archipelago, Norway, Arctic, Europe

Adult king penguins (Aptenodytes patagonicus) returning from sea to the nesting colony at Salisbury Plain, South Georgia, Polar Regions

Three swallows perching, bird on the wire, in County Clare, West of Ireland

Migratory Starlings on telephone wires at Thames Estuary. Avian Flu (Bird Flu) could be brought to Britain from Europe by migrating birds.

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

Migratory Starlings and wood pigeons at Thames Estuary. Avian Flu (Bird Flu) could be brought to Britain from Europe by migrating birds.

Starlings, Queensland, Australia. Avian Flu Bird Flu virus could spread to wild birds

Migratory Starlings on telephone wires at Thames Estuary. Avian Flu (Bird Flu) could be brought to Britain from Europe by migrating birds.

Migratory Lapwings and waders at the Thames Estuary. It is feared that Avian Flu (Bird Flu) could be brought to Britain from Europe by migrating birds.

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

Migratory Lapwings and waders at Thames Estuary. It is feared that Avian Flu (Bird Flu) could be brought to Britain from Europe by migrating birds.

Starlings, Queensland, Australia. Avian Flu Bird Flu virus could spread to wild birds

Migratory Lapwings at Thames Estuary. It is feared that Avian Flu (Bird Flu) could be brought to Britain from Europe by migrating birds.

Migrating Pink-Footed geese over-wintering near Holkham, North Norfolk coast, East Anglia, Eastern England

Migratory Starlings at Thames Estuary. It is feared that Avian Flu (Bird Flu) could be brought to Britain from Europe by migrating birds.

Canadian Geese (Branta Canadensis) Migrate Across The Greatland In Autumn, United States Of America