Racehorse injuries generally a mixture of sand, silt and clay. Turf tracks are usually Bermuda grass in warm climates and a mixture of Fescue, Bluegrass and Rye in more temperate climates. Synthetic tracks are generally a mixture of sand, synthetic fibers, rubber and wax. Synthetics are differentiated by brand names such as Polytrack, Tapeta Footings and Cushion Track. North American racing is run on all three types of tracks and provides the best basis for a comparison on how track composition affects injuries and fatalities. The EID was finally able to provide statistics on racing related fatalities in March 2010. The TOBA
Wildlife of Bermuda very common Bermuda buckeye ("Junonia coenia bergi"). More than 200 moths have been recorded; one of the most conspicuous is "Pseudosphinx tetrio", which can reach in length. Bermuda has lost a number of its endemic invertebrates, including the Bermuda cicada ("Neotibicen bermudianus"), which became extinct when the cedar forests disappeared. Some species feared extinct have been rediscovered, including a Bermuda land snail ("Poecilozonties circumfirmatus") and the Bermuda ant ("Odontomachus insularis"). Bermuda lies on the western edge of the Sargasso Sea, an area with high salinity, high temperature and few currents. Large quantities of seaweed of the genus "Sargassum" are present