Citizen Science projects – scroll down

Habitat conservation is a foundation of birding. Here in Marin County we encounter a cross-section of conservation issues found throughout the United States. Yellowbilled Tours is committed to sustainable ecotourism support for conservation and the local communities we visit. Our goal is to enhance your birding by providing knowledge of the local communities we bird in and the experience in the field that can enrich environmental awareness.

California Avian Data Center ( Breeding Bird Altas of Marin County April 2021

Marin completed is first ever Breeding Atlas in 1995. Birders of Marin County with support from Point Blue is supporting a second Breeding bird Atlas which was kicked off this April 2021. I have the Olompali State Park as my count area, and will post 2021 data after July 19, 2021.

2021Corte Madera Marsh Ecological Preserve a wet lands restoration staff by volunteers from Marin Audubon Society.

IBP – Great Gray Owl nesting survey July 2016

YBT – 2016 Shorebird survey Cypress Canyon AudubonPFSS_ThankYou

YBT – MAS Waterbird 2015/15 Survey results

West Nile Virus impacting Birds in Eastern Alameda County.docx

http Ridgeway Rail – Clapper Rail a-new-bird-species-in-california-sort-of_