NSAS Beginner's Bird Walk on Sunday, September 29 After a summer hiatus, our Sunday Beginner's Bird Walks have resumed!  This Sunday, September 29 we will be making another visit to the Wetlands Edge Park in American Canyon.   It is now peak migration season which is an exciting time for birders.  We are starting to see […]

About the Program: Bats play an important role in the ecosystem as major consumers of nocturnal insects. They have many adaptations to help them navigate the night sky, from flight to echolocation. Meet the fastest mammal on earth, the Mexican free-tailed bat and the new California State symbol, the Pallid bat. In her presentation, Corky […]

NSAS Beginners Bird Walk on Sunday, October 13   Join us for our next Beginners Bird walk on Sunday, October 13 at 9:00 a.m.! It is migration season and anyone who has joined our walks before knows that the wetlands are a great place to be during this exciting time! So, if you are dipping […]

This Saturday, October 19th, we will be checking out the wetlands of Huichica Creek since we should have some water, waterfowl are returning and we SHOULD be right before the opener of the waterfowl season, slated to start Oct 26. We will be looking for the waterfowl and shorebirds in the flooded ponds. OVERVIEW: The […]

Save Mount Diablo’s Mangini Ranch Educational Preserve is over 200 acres situated between the Crystyl Ranch residential development in Concord and Lime Ridge Open Space in Walnut Creek. The preserve includes grassland, stream canyons, blue oak woodland, chaparral, and oak savannas. It’s home to rare species such as the northernmost stand of desert olive, rare […]

Join us for our next Beginners Bird walk at American Canyon Wetlands on Sunday, October 27 at 9:00 a.m.! It is migration season and anyone who has joined our walks before knows that the wetlands are a great place to be during this exciting time! So, if you are dipping a toe into birding, or […]

This Saturday, November 2, we will travel to and explore Lagoon Valley Regional Park. There will be rainstorms in the evening but the weather is looking to be a bit cooler but very little rain during our day. OVERVIEW Lagoon Valley consists of many hiking trails among the hills and canyons and groves of mixed conifers and deciduous trees. Many waterbirds are […]

About the Program: Learn about ‘the raptor advantage’ with this brief overview of what a ‘raptor’ really is; focusing on the main anatomical and physiological adaptations that are featured in these birds which are products of millions of years of evolution honing virtually every body part to a lifestyle that depends on being able to […]

  9:00 am - 12:00 pm NSAS Beginners Bird Walk, American Canyon Wetlands, Sunday, November 24, 9 am - noon. Rain cancels.

Join us for our next Beginners Bird walk on Sunday, December 8 at 9:00 a.m. No reservations are necessary. The event is free and open to the public.  Loaner binoculars are available to use. Meeting time and location:  We will meet at 9 AM on Sunday, December 8, 2024, at the parking lot for the […]

December’s Monthly Field Trip is our annual Benicia CBC Pre-Count with Tom Slyker & Robin Leong: Saturday, December 14th, 8:30 a.m. - 12:00 Noon: For those of you who enjoy birding areas close to home, or who plan on participating in this year’s Benicia Christmas Bird Count and would like to get a head start, […]