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.
Every year on a US federal holiday, non-essential federal government offices are closed, and every federal employee is paid for the holiday. Private-sector employees required to work on a legal holiday may receive holiday pay in addition to their ordinary wages.