In the United States, there are over 230 amphibians, over 280 reptiles and approximately 800 species of fish. Each of these categories has species represented on the US Endangered Species List.
Employees in the civil services work under one of the independent agencies or one of the 15 executive departments. In addition to departments, there are a number of staff organizations grouped into the Executive Office of the President.
Updated August 06, 2016. What is the difference between hourly employees and salaried employees? The main difference is how the employee is paid. Hourly workers are paid an hourly rate for each hour they work and are entitled to overtime pay if they work over 40 hours per week.