Join OCAS board member Walter Jahn as he leads a bird walk at the Liberty Loop Trailhead in Wallkill River National Wildlife Refuge along Oil City Road. After walking the […]

Since 1900 the Audubon Society has annually conducted its Christmas Bird Count. This year will be the 125th and we hope that you will be involved. We have officially chosen […]

Dr. Walter Jahn will present an update on the worsening climate crisis and its ongoing effects. 2pm at the Mamakating Environmental Education Center Click here for a map of the […]

A presentation by Dr. Walter Jahn on the fossil history of microbes beginning with the origin of life and the first photosynthesis to microbial roles in modern ecosystems including the […]

A presentation by Dr. Walter Jahn on Orange County Wildlife in winter featuring migrant birds only observed in our area during winter and how other birds modify their behavior in […]

Liberty Loop Trailhead in Wallkill River National Wildlife Refuge along County Line Road; after walking the 3 mile trail, the group will survey for short eared owls from parking area. […]

A presentation by Dr. Walter Jahn on invertebrates beginning with the first fossil animals through the worms, mollusks, and diverse arthropods in local modern ecosystems. Lectures can be attended in […]

A presentation by Dr. Walter Jahn on the first fossil insects through the four groups of insects today that make up half of all known species of organisms (beetles, moths, […]

This program is for new nature photographers who want to learn to take better photos. We will look at many beautiful photos and discuss composition, lighting, background and preparation. If […]

A presentation by Dr. Walter Jahn on fish beginning with the origin of vertebrates through the diverse fish of Orange County today. Lectures can be attended in person from 5:30-6:30pm […]