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 […]

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 […]

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 […]

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 […]

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 […]

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 […]

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 […]

  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 […]

The trip has been changed to Sunday due to heavy rains forecast for Saturday and to Lynch Canyon in hopes of spotting the Thick-billed Kingbird that was located there last […]

Join us for our next Beginners Bird walk on Sunday, December 22 at 9:00 a.m. No reservations are necessary. The event is free and open to the public.  Loaner binoculars […]