Biogeographic Information Observation System

BIOS Viewer application has moved

Please visit the BIOS Home Page and click on the BIOS Viewer button to go to the new web address.

CNDDB subscribers, please continue to use your cnddb_gov or cnddb_com user login at the new login page.


You can browse directly to the new URL at

Note: your BIOS Bookmarks will work the same way as in the previous BIOS app. Simply use the same bookmark argument in the new URL. For example, if your old BIOS Bookmark URL looks like this: , then the new URL will look like this:

Thank you for using BIOS!