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On January 1, 2026, birders across California began compiling sightings of both breeding and non-breeding species to create the first state wide “California Breeding Bird Atlas”. The Tulare Kings Audubon Society has joined this effort as a participant and sponsor to help create a baseline study of the state’s bird populations. 

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From 2026 to 2030, birders—made up of volunteers and paid field technicians—will record observations through a custom-built version of eBird, developed by the Cornell Lab of Ornithology.

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ATLAS BLOCKS:  To insure that all of California is covered, the

CA BBA divides California into 16,527 ‘atlas blocks’—roughly 3 x 3 mile

squares used to map the state’s breeding birds

(ebird.org/atlascalifornia/about/blocks).

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TO PARTICIPATE: To join the project, you must link your observations through eBird.  A “Quick Start Guide”( https://ebird.org/atlascalifornia/about/start) and/or a YouTube video (www.youtube.com/@CaliforniaBirdAtlas) will get you started.

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KML FILES:  If you plan to bird in grids that are outside of regular cell service, the following county-specific files are available for use with Google Earth or other geospatial software to keep you spatially oriented while offline. County maps are available at drive.google.com/drive/folders/1bmPx0qLBuktSFNMYW7S0s461dXrLgvVf