Christmas Bird Counts (CBC) and related Citizen Science initiatives YBT supports.
2021 November 18th Point Blue Shorebird Survey. Yellowbilled Tours has the Las Gillinas WTP three ponds and island count area, this is a high tide roosting for shore birds seeking resting and feeding during San Pablo Bay tidal action. 2021 – December 17th Eastern Alameda County Christmas Bird Count – Alameda Creek Watershed – Yellowbilled…