YouTube download / AP video / With the help of Boykin spaniels who sniff out ornate box turtles hiding in prairie grass, researchers are able to monitor turtle health. They say the turtles are sentinels of environmental and ecosystem health that also impacts humans. Chicago Zoological Society and the University of Illinois spent Friday surveying the 3,800-acre (1,500-hectare) Nachusa Grasslands for the turtles. (May 10)
-- Henry Frederick, Headline Surfer - Daytona Beach, Sanford, Orlando, FL
