Date: 4/9/26 12:33 pm From: Tom Benson via groups.io <thomasabenson...> Subject: [inlandcountybirds] California Bird Atlas - San Bernardino and Riverside County update
Hi inland county birders, The California Bird Atlas monthly summary for March has been posted on the eBird portal at: https://ebird.org/atlascalifornia/news/atlas-dispatch-march-2026 The next Town Hall Q & A session on Zoom will be on April 16 at 7 pm and will include project updates, take questions, and feature Megan Jankowski (CBA Review Coordinator) presenting on how to find breeding birds. Register for the Zoom here. Submit questions here.
Breeding season is already underway in some parts of San Bernardino and Riverside counties, but peak breeding activity will occur here over the next few months, and we need all the help we can get! If you haven’t joined the eBird Atlas project yet, you can do so here.
Some CBA stats for San Bernardino County as of April 9, 2026:
Number of Atlasers = 168Hours of Atlas effort = 1080eBird checklists = 1225Blocks with data = 259 (13% of the county total)Number of species with breeding confirmed: 78 Here are the species with breeding confirmed in at least 5 blocks: # Blocks25 Common Raven13 House Finch12 Bushtit9   European Starling7   Red-tailed Hawk, House Sparrow6  Black Phoebe, Lesser Goldfinch5  Cassin's Kingbird, House Sparrow
Here are the atlas blocks with the most confirmed species:
# Species confirmed19Â San Bernardino North CW12Â Guasti CW12Â Redlands CE11Â Morongo Valley CW9Â Â Prado Dam NE
Some CBA stats for Riverside County as of April 9, 2026:
Number of Atlasers = 262Hours of Atlas effort = 801eBird checklists = 1316Blocks with data = 211 (29% of the county total)Number of species with breeding confirmed: 64Â Here are the species with breeding confirmed in at least 5 blocks:Â # Blocks14Â Anna's Hummingbird, Bushtit13Â House Finch12Â Â Common Raven10Â Â Verdin9Â Â Â Red-tailed Hawk8Â Â Costa's Hummingbird7Â Â Cliff Swallow, European Starling, House Sparrow, Lesser Goldfinch, Black-throated Sparrow, California Towhee6Â Â American Crow5Â Â Allen's Hummingbird, Great Blue Heron, Great Horned Owl, Northern Mockingbird
Here are the atlas blocks with the most confirmed species:
# Species confirmed31Â Riverside East NW22Â Riverside East NE
11Â Riverside East CE
11Â Riverside East CW
8Â Â El Casco SW8Â Â La Quinta SW
Tom BensonCBA Regional Coordinator for San Bernardino and Riverside counties