Bird flu has killed 700 wild black vultures, says Georgia sanctuary

Exclusion zone set up around Noah's Ark sanctuary in US amid outbreak of highly pathogenic H5N1 strain

Bird flu has killed hundreds of wild black vultures at a Georgia sanctuary that houses more than 1,500 other animals.

At least 700 black vultures have died, Noah's Ark animal care manager Allison Hedgecoth told WXIA-TV. State workers euthanized 20 to 30 other birds, she said.