Promontory, Utah. Promontory is an area of high ground in Box Elder County, Utah, 32 mi (51 km) west of Brigham City and 66 mi (106 km) northwest of Salt Lake City. Rising to an elevation of 4,902 feet (1,494 m) above sea level, it lies to the north of the Promontory Mountains and the Great Salt Lake.
1 Hawksbills are considered Critically Endangered around the world by the IUCN Red List and are listed as Endangered in the US. 2  Some researchers believe the Eastern Pacific hawksbill is likely the most endangered sea turtle population worldwide. 3  Their scientific name is Eretmochelys imbricata.
There are seven recognized species of sea turtles, six of which (the hawksbill, green, flatback, loggerhead, Kemp's ridley and olive ridley turtles) are in the Family Cheloniidae, with only one (the leatherback) in the Family Dermochelyidae. All seven species of sea turtles are listed under the Endangered Species Act.he green turtle is large, with a carapace up to 3 feet long. Green turtles weigh up to 350 pounds and their carapace can be many colors, including shades of black, gray, green, brown or yellow. Adult green turtles are the only herbivorous sea turtles.