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NOTICE: Today's Event has been RESCHEDULED. Check details on the Events page.

Membership Only Events
Events are for members only unless otherwise indicated.
Please RSVP. For details, contact us at 201-784-0484 or email us at pnanaturalist@gmail.com.
Upcoming Events


1 day to the event
Jul 12, 2026, 1:00 PM – 2:30 PM
A leisurely stroll through the sanctuary to look and listen
for summer plants and animals. See Sunday, June 7 for
more info.


7 days to the event
Jul 18, 2026, 10:00 AM – 2:00 PM
Annual Butterfly Count
Help us find, identify and tally butterflies found in
Greenbrook. Sponsored by the North American Butterfly
Association.


Multiple Dates
7 days to the event
Jul 18, 2026, 10:00 AM – 11:00 AM
Come join Nancy Hoffman, Ph.D, at Greenbrook�s Pavilion
for Tai Chi warm-up exercises and Part I of a Yang style
Tai Chi long form. Classes are suitable for beginners as
well as those with some experience. Feel free to drop in for
a class that fits your schedule. Members are encouraged
to bring a fr


14 days to the event
Jul 25, 2026, 10:00 AM – 12:00 PM
Take a walk inside each of Greenbrook's three(3) deer
exclosures, and find out what's growing.
Leader: Sandy Bonardi


Multiple Dates
14 days to the event
Jul 25, 2026, 10:00 AM – 11:00 AM
Come join Nancy Hoffman, Ph.D, at Greenbrook�s Pavilion
for Tai Chi warm-up exercises and Part I of a Yang style
Tai Chi long form. Classes are suitable for beginners as
well as those with some experience. Feel free to drop in for
a class that fits your schedule. Members are encouraged
to bring a fr


Multiple Dates
21 days to the event
Aug 01, 2026, 10:00 AM – 11:00 AM
Come join Nancy Hoffman, Ph.D, at Greenbrook�s Pavilion
for Tai Chi warm-up exercises and Part I of a Yang style
Tai Chi long form. Classes are suitable for beginners as
well as those with some experience. Feel free to drop in for
a class that fits your schedule. Members are encouraged
to bring a fr


21 days to the event
Aug 01, 2026, 1:00 PM – 2:30 PM
Discover the variety of Dragonflies and Damselflies that
inhabit Greenbrook Sanctuary. Binoculars are helpful for
best viewing. This is also a good opportunity for
photography. Cameras with long telephoto lenses are
recommended.


28 days to the event
Aug 08, 2026, 10:00 AM – 12:00 PM
Paul Sadowski from the New York Mycological Society will
guide us on an introduction to the great variety of Fungi
found within Greenbrook�s boundaries.


Multiple Dates
28 days to the event
Aug 08, 2026, 10:00 AM – 11:00 AM
Come join Nancy Hoffman, Ph.D, at Greenbrook�s Pavilion
for Tai Chi warm-up exercises and Part I of a Yang style
Tai Chi long form. Classes are suitable for beginners as
well as those with some experience. Feel free to drop in for
a class that fits your schedule. Members are encouraged
to bring a fr


35 days to the event
Aug 15, 2026, 10:00 AM – 12:00 PM
A leisurely stroll through the sanctuary to look and listen
for Late spring plants and animals. This is the first of three
scheduled walks. Each one will cover a different area in
the Sanctuary.


Multiple Dates
35 days to the event
Aug 15, 2026, 10:00 AM – 11:00 AM
Come join Nancy Hoffman, Ph.D, at Greenbrook�s Pavilion
for Tai Chi warm-up exercises and Part I of a Yang style
Tai Chi long form. Classes are suitable for beginners as
well as those with some experience. Feel free to drop in for
a class that fits your schedule. Members are encouraged
to bring a fr


42 days to the event
Aug 22, 2026, 10:00 AM – 11:00 AM
Learn to identify trees using leaves, seeds and bark.


Multiple Dates
42 days to the event
Aug 22, 2026, 10:00 AM – 11:00 AM
Come join Nancy Hoffman, Ph.D, at Greenbrook�s Pavilion
for Tai Chi warm-up exercises and Part I of a Yang style
Tai Chi long form. Classes are suitable for beginners as
well as those with some experience. Feel free to drop in for
a class that fits your schedule. Members are encouraged
to bring a fr


Multiple Dates
49 days to the event
Aug 29, 2026, 10:00 AM – 11:00 AM
Come join Nancy Hoffman, Ph.D, at Greenbrook�s Pavilion
for Tai Chi warm-up exercises and Part I of a Yang style
Tai Chi long form. Classes are suitable for beginners as
well as those with some experience. Feel free to drop in for
a class that fits your schedule. Members are encouraged
to bring a fr


49 days to the event
Aug 29, 2026, 7:30 PM – 8:30 PM
A stroll through the Sanctuary to uncover some hidden
secrets of late summer night life, with a focus on insects.
See Sunday, June 7 for more info.ries.


50 days to the event
Aug 30, 2026, 5:00 PM – 6:00 PM
Experience an unforgettable early‑evening concert as three Broadway woodwind artists fill Greenbrook with shimmering flute, clarinet, and bassoon harmonies. A rare chance to hear world‑class musicians in the heart of nature on August 30 at 5 pm at the Pavilion (Rain or shin)


Multiple Dates
70 days to the event
Sep 19, 2026, 10:00 AM – 11:00 AM
Come join Nancy Hoffman, Ph.D, at Greenbrook�s Pavilion
for Tai Chi warm-up exercises and Part I of a Yang style
Tai Chi long form. Classes are suitable for beginners as
well as those with some experience. Feel free to drop in for
a class that fits your schedule. Members are encouraged
to bring a fr


Multiple Dates
77 days to the event
Sep 26, 2026, 10:00 AM – 11:00 AM
Come join Nancy Hoffman, Ph.D, at Greenbrook�s Pavilion
for Tai Chi warm-up exercises and Part I of a Yang style
Tai Chi long form. Classes are suitable for beginners as
well as those with some experience. Feel free to drop in for
a class that fits your schedule. Members are encouraged
to bring a fr


Multiple Dates
84 days to the event
Oct 03, 2026, 10:00 AM – 11:00 AM
Come join Nancy Hoffman, Ph.D, at Greenbrook�s Pavilion
for Tai Chi warm-up exercises and Part I of a Yang style
Tai Chi long form. Classes are suitable for beginners as
well as those with some experience. Feel free to drop in for
a class that fits your schedule. Members are encouraged
to bring a fr


Multiple Dates
91 days to the event
Oct 10, 2026, 10:00 AM – 11:00 AM
Come join Nancy Hoffman, Ph.D, at Greenbrook�s Pavilion
for Tai Chi warm-up exercises and Part I of a Yang style
Tai Chi long form. Classes are suitable for beginners as
well as those with some experience. Feel free to drop in for
a class that fits your schedule. Members are encouraged
to bring a fr
Membership is required to enjoy our park as well as all the events.
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