Successfully navigate to the homepage of ecos.fws.gov. Once loaded, identify and list the main navigation categories or prominent links that appear to be the primary entry points for users interested in environmental conservation, endangered species, or related data.
Navigate to 'http://ecos.fws.gov/'. Upon successful loading, identify the main navigation menu or prominent links on the homepage. List the text of these main navigation categories or prominent links.
The agent successfully loads the homepage of 'http://ecos.fws.gov/'. The agent identifies and lists at least 3-5 main navigation categories or prominent links from the homepage (e.g., 'Species', 'Conservation', 'Data', 'Regulations', 'About Us', 'Contact'). The exact names will depend on the actual website content.