Climate Change 2025
2025-01-12 14:00 - 15:00 (America/New_York)
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 Mamakating Environmental Education Center

Microbes: the Origin of Life to the Human Microbiome
2025-01-27 17:30 - 18:30
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 human microbiome.
Lectures can be attended in person from 5:30-6:30pm on the SUNY Orange Middletown campus, Rowley Center room 128 or on the following Zoom link:
https://sunyorange.zoom.us/j/98282281351
Click here for a map of the SUNY Orange Rowley Center

Winter Wildlife
2025-02-03 17:30 - 18:30
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 winter.
Lectures can be attended in person from 5:30-6:30pm on the SUNY Orange Middletown campus, Rowley Center room 128 or on the following Zoom link:
https://sunyorange.zoom.us/j/98282281351
Click here for a map of the SUNY Orange Rowley Center

Bird Walk at Liberty Loop
2025-02-04 16:00 - 18:00
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.
4pm start hike; observe owls at platform at 5:45pm.
Click here for a map of the Liberty Loop Trail.

Invertebrates 1: The First Animals to Local Invertebrates
2025-02-10 17:30 - 18:30
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 person from 5:30-6:30pm on the SUNY Orange Middletown campus, Rowley Center room 128 or on the following Zoom link:
https://sunyorange.zoom.us/j/98282281351
Click here for a map of the SUNY Orange Rowley Center

Invertebrates 2: Local Insects & Their Fossil History
2025-02-17 17:30 - 18:30
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, wasps and flies).
Lectures can be attended in person from 5:30-6:30pm on the SUNY Orange Middletown campus, Rowley Center room 128 or on the following Zoom link:
https://sunyorange.zoom.us/j/98282281351
Click here for a map of the SUNY Orange Rowley Center

Bird Photography
2025-02-20 18:30 - 19:30
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 you enjoy nature and like taking photographs this is the program for you. Hosted by the Albert Wisner Public Library, Warwick NY.
Presented by Diane Tuttle, OCAS Board of Directors
Click here for a map of the Albert Wisner Public Library

Fish: the First Vertebrates through Local Fish Diversity
2025-02-24 17:30 - 18:30
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 on the SUNY Orange Middletown campus, Rowley Center room 128 or on the following Zoom link:
https://sunyorange.zoom.us/j/98282281351
Click here for a map of the SUNY Orange Rowley Center

Spring Amphibians
2025-03-01 13:00 - 14:00
A presentation by Dr. Walter Jahn which will highlight the activities of local amphibians in spring as the Mamakating Environmental Education Center organizes volunteers to help spring amphibians cross South Road.
Presentation at MEEC, 1pm
Click here for a map of the Mamakating Environmental Education Center

Amphibians: Vertebrates on Land & Modern Amphibians in Spring
2025-03-03 17:30 - 18:30
A presentation by Dr. Walter Jahn on amphibians beginning with the transition of vertebrates to land through the local amphibians which can be observed in spring.
Lectures can be attended in person from 5:30-6:30pm on the SUNY Orange Middletown campus, Rowley Center room 128 or on the following Zoom link:
https://sunyorange.zoom.us/j/98282281351
Click here for a map of the SUNY Orange Rowley Center

Bird Walk at Heritage Trail & 6 1/2 Station Sanctuary
2025-03-04 00:00, 2025-04-01 16:00 - 17:30
Join Dr. Walter Jahn for a walk along the Heritage Trail at 6 1/2 Station Sanctuary; begin where 6 1/2 Station Road meets the Heritage Trail.
Time TBA
Click here for a map of the Heritage Trail at 6 1/2 Station Sanctuary Road

Bird Walk at Heritage Trail at 6 1/2 Station Road
2025-03-04 16:00 - 17:30
Join 6 1/2 Station Sanctuary steward Dr. Walter Jahn for a nature walk to explore migrating waterfowl and other wildlife.
Heritage Trail entrance at 6 1/2 Station Road, Goshen NY

Plant Natives! Gardening for Birds at Thrall Library
2025-03-05 14:00 - 15:00
Why are native plants so important to the survival of birds and pollinators? This multimedia program featuring images and sounds of local backyard bird species will explain why we should use more native plants in our landscaping and how to design and plant gardens that benefit people and wildlife.

Presented by Pam Golben, environmental educator.

Click here for a map of the Middletown Thrall Library

Plant Natives! Gardening for Birds
2025-03-06 18:30 - 19:30
Why are native plants so important to the survival of birds and pollinators? This multimedia program featuring images and sounds of local backyard bird species will explain why we should use more native plants in our landscaping and how to design and plant gardens that benefit people and wildlife.

Presented by: Pam Golben, environmental educator

Hosted by the Albert Wisner Public Library, 1 McFarland Drive, Warwick NY

Click here for a map of the Albert Wisner Public Library

Call the library to register at 845-986-1047

Bashakill Bird Walk
2025-03-09 10:00 - 11:30, 2025-04-13 10:00 - 11:30
Dr. Walter Jahn will lead a bird walk from the boat launch on South Road across from Bashakill Vineyards.
Click here for a map of the Bashakill Boat Launch

Bird Evolution & Bald Eagle Nesting
2025-03-10 17:30 - 18:30
A presentation by Dr. Walter Jahn starting with the origin of birds & fossil birds and ending with bald eagle nesting.
Lectures can be attended in person from 5:30-6:30pm on the SUNY Orange Middletown campus, Rowley Center room 128 or on the following Zoom link:
https://sunyorange.zoom.us/j/98282281351
Click here for a map of the SUNY Orange Rowley Center

Plant Natives! Gardening for Birds
2025-03-13 18:00 - 19:00
Why are native plants so important to the survival of birds and pollinators? This multimedia program featuring images and sounds of local backyard bird species will explain why we should use more native plants in our landscaping and how to design and plant gardens that benefit people and wildlife.

Presented by: Pam Golben, environmental educator

Moffat Library, Washingtonville NY
Click here for a map of the Moffat Library

Bald Eagle MEEC
2025-03-22 13:00 - 14:00
Following the training of Nature Watch volunteers, Dr. Walter Jahn will offer a presentation on Bald Eagles. Nature Watch Training 10am.
Presentation at Mamakating Environmental Education Center at 1pm.
Click here for a map of the Mamakating Environmental Education Center

Migratory Waterfowl
2025-03-24 17:30 - 18:30
A presentation by Dr. Walter Jahn on the diversity of waterfowl which migrate through our area in early spring.
Lectures can be attended in person from 5:30-6:30pm on the SUNY Orange Middletown campus, Rowley Center room 128 or on the following Zoom link:
https://sunyorange.zoom.us/j/98282281351
Click here for a map of the SUNY Orange Rowley Center

Reptiles: Fossil History & Local Diversity
2025-03-31 17:30 - 18:30
A presentation by Dr. Walter Jahn on reptiles ranging from their diverse fossil lineages through the diversity of reptiles in Orange County today.
Lectures can be attended in person from 5:30-6:30pm on the SUNY Orange Middletown campus, Rowley Center room 128 or on the following Zoom link:
https://sunyorange.zoom.us/j/98282281351
Click here for a map of the SUNY Orange Rowley Center

Bird ID for Beginners at Thrall Library
2025-04-03 14:00 - 15:00
Do you enjoy watching birds and want to work on your identification skills? We will discuss some of the keys to bird ID: looking at size and shape, colors and patterns, habitat, behaviors and sounds. This is a multimedia program that will introduce you to the birds local to our area and will help you become more confident at identifying the birds you see every day.
Presented by Jim Van Gelder, OCAS President
Click here to register directly with the Middletown Thrall Library
Click here for a map of the Thrall Library

Spring Amphibians
2025-04-03 18:30 - 19:30
With warmer temperatures and spring rains, what a great time to see and hear the diverse amphibians in our area!

Presented by: SUNY Orange Professor Walter Jahn

Hosted by the Albert Wisner Public Library
Call the library to register at (845) 986-1047
Click here for a map of the Albert Wisner Public Library

Spring Amphibians
2025-04-03 18:30 - 19:30
With warmer temperatures and spring rains, what a great time to see and hear the diverse amphibians in our area! Presented by Dr. Walter Jahn.
Click here for a map of the Wisner Library.

Pop-Up Woodcock Walk at Highland Lakes State Park
2025-04-04 19:00 - 20:00
Join OCAS board member Diane Tuttle for a woodcock walk at Highland Lakes State Park. Email info@orangecountynyaudubon.org with any questions.

Plants, Fungi & their Fossil History
2025-04-07 17:30 - 18:30
A presentation by Dr. Walter Jahn on the origins of plants and fungi and their modern diversity in Orange County today.
Lectures can be attended in person from 5:30-6:30pm on the SUNY Orange Middletown campus, Rowley Center room 128 or on the following Zoom link:
https://sunyorange.zoom.us/j/98282281351
Click here for a map of the SUNY Orange Rowley Center

Mammals: Fossil Mammals & Local Diversity
2025-04-14 17:30 - 18:30
A presentation by Dr. Walter Jahn on the origin of mammals and their modern diversity in Orange County today.
Lectures can be attended in person from 5:30-6:30pm on the SUNY Orange Middletown campus, Rowley Center room 128 or on the following Zoom link:
https://sunyorange.zoom.us/j/98282281351
Click here for a map of the SUNY Orange Rowley Center

Spring Migration at Mamakating Environmental Education Center
2025-04-17 17:30 - 18:30
Join Dr. Walter Jahn as he speaks about the spring migration at the Mamakating Environmental Education Center. Cohosted by the Sullivan County Audubon Society.
Lecture can be attended in person from 5:30 to 6:30 PM at the Mamakating Environmental Education Center or on ZOOM LINK:https://sunyorange.zoom.us/j/98282281351
For more information, call MEEC directly at: 845-644-5014
Click here for a map of MEEC

Spring Bird Migration
2025-04-21 17:30 - 18:30
A presentation by Dr. Walter Jahn on songbirds and other spring migrants returning to our area.
Lectures can be attended in person from 5:30-6:30pm on the SUNY Orange Middletown campus, Rowley Center room 128 or on the following Zoom link:
https://sunyorange.zoom.us/j/98282281351
Click here for a map of the SUNY Orange Rowley Center
