Department of Fish & Game
Biogeographic Data Branch
1807 13th Street, Suite 202
Sacramento, CA 95811
(916) 322-2493 • Email BDB

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Maps & Data

CNDDB Maps & Data

Online Map Viewers

CNDDB Quick Viewer

Free. This map application provides access to the CNDDB data at the 7.5′ Quadrangle and County level. For more info on how to use the Quick Viewer, see the instructions.
For more detailed information, a subscription is required.

CNDDB subscription required. This robust map application provides access to the full detail of both the CNDDB data and Spotted Owl territory data in the BIOS Data Viewer. Note that these are just two of the hundreds of data layers available in the BIOS Data Viewer; we have just pre-loaded these two data sets for your convenience.

RareFind 3

CNDDB subscription required. RareFind 3 is a desktop PC application that allows for robust querying of statewide data on rare species and natural community locations.
While RareFind 3 is still a very functional application, we are migrating this functionality to our online RareFind 4 application.

RareFind 4

CNDDB subscription required. RareFind 4 is an Internet application that allows for querying of statewide data on rare species and natural community locations.
This application does not yet contain all of the functionality of RareFind 3. However, it does offer querying on some fields not available in RareFind 3, and includes additional report options. It also links directly to BIOS, showing results on a map.

We plan to enhance RareFind 4 to incorporate the existing functionality of RareFind 3. Your feedback on this new application would be appreciated. Send to .

Monthly CNDDB Data

CNDDB subscription required. Monthly CNDDB data updates for use in RareFind 3 or with GIS software.

Data Use Guidelines

[PDF] Document answering questions on the appropriate use and display of CNDDB data.