Date: 1/1/26 12:50 pm From: maliadances via groups.io <maliadances...> Subject: [pen-bird] San Mateo County Cumulative Year-list Report for --- December 2025
*Greetings Pen-birders,*
San Mateo County birders found a total of 1 species that was new for the year by the end of December. *The 1 new bird species found in December brings the end of year total species observed in 2025 to 334.* In reading the following, please note, the number in parenthesis next to the bird name is the rarity code assigned for San Mateo County birds. *From the link below* , you can *see definitions for the rarity codes,* *download a checklist* which shows seasonality, frequency, and county breeding information, *find a full list of the birds* observed so far in 2025 *, plus* *all monthly reports going back to 2009* *****Note, As I write, the website may not be updated with the December 2025 report yet so please give it a couple of days.
*Here is the new bird for December, the finders and location where found:*
Janet Duerr and Steve Schafer described a BLACK-VENTED SHEARWATER (5) seen off Pescadero State Beach. The same day there were multiple reports of this species from counties further south along the coast.
*Birding San Mateo County:* There are plenty of ways to see birds. Did you know *The San Mateo County Bird Alliance leads birding Field Trips* on a regular basis? To join a field trip, check out their schedule here: http://www.sequoia-audubon.org/fieldtrips.html
*To stay informed of the latest bird news, consider creating an account with both Peninsula Birding (Pen-bird) and eBird.* To join eBird, simply go to https://ebird.org/home and create an account. To join the Peninsula Birding group, join here: https://groups.io/g/peninsula-birding You can post your sightings there and be kept informed of sightings throughout the county including discussions about birds, population trends, where-can-I-find topics, events, field trips, webinars, pelagic trips and conservation issues. You can engage with other members of the birding community and can connect with online/offline discussions.
*This Report:* As a volunteer for the San Mateo County Bird Alliance I gather content for this report, each month, by primarily using eBird and Pen-bird. When posting to Pen-bird, please include the location and date of your sighting in either the subject line or in the body of your email. If you don’t use eBird or Pen-bird, you can always email me directly. Thank you! If you have questions or comments regarding this report, or if I missed something, please email: <maliadances...>
THAT’S A WRAP FOR 2025 – HAPPY NEW YEAR - GOOD BIRDING IN 2026!
