A sign in Hyde Park warns people not to feed birds as another bird flu outb...

A gull lands on a sign in Hyde Park warning people not to feed birds as ano...

A gull stands on a sign in Hyde Park warning people not to feed birds as an...

A gull lands on a sign in Hyde Park warning people not to feed birds as ano...

A gull stands on a sign in Hyde Park warning people not to feed birds as an...

A gull stands on a sign in Hyde Park warning people not to feed birds as an...

Swans congregate in Serpentine Lake in Hyde Park as another bird flu outbre...

A gull stands on a sign in Hyde Park warning people not to feed birds as an...

A gull stands on a sign in Hyde Park warning people not to feed birds as an...

A gull stands on a sign in Hyde Park warning people not to feed birds as an...

A sign in St James's Park warns people not to feed birds as another bird fl...

A sign in St James's Park warns people not to feed birds as another bird fl...