Chincoteague National Wildlife Refuge – Accomack County, VA Published March 27, 2019 at 1000 × 667 in 4th Quarter 2018 Clip Contest Winners A wild pony is seen at Chincoteague National Wildlife Refuge on Wednesday December 19, 2018 in Accomack County, VA. Several of the ponies at Chincoteague National Wildlife Refuge have contracted “swamp cancer” or pythiosis.