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News & Events

Conservation Conversation Lecture Series--Sponsored by Sycamore Land Trust

February  9 2023

Conservation Conversation with Russell Boulding: "Geology of Sycamore Nature Preserves"

Thursday, February 9, 2023.  7-8:30 pm Eastern Time

Virtual Zoom Lecture


Geologist Russell Boulding will share a general overview of the physiography, bedrock geology, and, where present, the glacial geology of eleven of the Sycamore Land Trusts public preserves in south central Indiana.  This virtual lecture will be followed by a Q&A session.  Sign up at

The 2023 Tri-State Creation Care Conference

February  25 2023

Creative Care Conference to be Held at Aldersgate United Methodist Church

Thursday, February 25, 2023.  9:00 am til noon

Aldersgate Methodist Church, 5130 Lincoln Ave, Evansville


The Tri-State Creation Care Conference is having its annual conference on Saturday, February 25, 2023 from 9:00 until noon.  EAS members have participated in previous conferences, and this year's conference will have John Mundell, president and senior environmental consultant, as the keynote speaker.  Additional speakers, including students in an advanced placement class from the Evansville Signature School are on the schedule. This event is free and open to the public.  For details, you can click here, or contact Caroline Nellis at

North America's Migrating Monarch Butterfly is Now on The Endangered Species List


Monarch Butterfly added to Endangered Species List by IUCN


The migrating Monarch butterfly, the North American subspecies, was declared endangered on July 21, 2022 by the International Union for the Conservation of Nature (IUCN).  This subspecies of the Monarch butterfly is known for its twice yearly 2,500 mile journey between its summer and winter areas.  


There are two North American populations; the western population (west of the Rockies) and the eastern population (east of the Rockies).  Although more is known about the eastern population, both have suffered dramatic declines in recent years; the western population has lost 99% of its members, declining from about 10 million individuals to about 250,000.  The eastern population has declined about 84% from 1996 to 2014.

The major threats to Monarch butterflies are habitat destruction, especially in the wintering areas and pesticide use, primarily in the Midwest where glyphosate severely impacts the milkweed on which the Monarch depends. These threats are still of concern despite successful programs that have established monitoring and important way stations where milkweeds and other native plants have been established along the migratory route. 


The listing was announced because the threats to the Monarch populations are greater than current conservation efforts and it is hoped that by listing the Monarch as endangered it will stimulate additional conservation efforts.

Sycamore Land Trust
"Sponsor a Preserve" Program


EAS Sponsors Eagle Slough Natural Area

The Sycamore Land Trust (SLT) initiated a "Sponsor a Preserve" program for 2021. This campaign is designed to recognize supporters, individuals or organizations, that are committed to advancing the important stewardship work of SLT.   

In 2021, and now again in 2022, the Evansville Audubon Society (EAS) has sponsored Eagle Slough Natural Area.  Eagle Slough is near and dear to our members who regularly visit and have volunteered to help maintain and preserve this important bird and wildlife habitat.

To find out more about the SLT "Sponsor a Preserve" program and recognization of EAS sponsorship click here.  If you want to know more about this birding hotspot click here.   

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Window Bird Collisions


Guide to Bird Window Collision Prevention

More than 100 million birds die each year hitting windows of residential homes.  After cat predation, window strikes are the leading cause of avoidable bird deaths.  If you were curious how to go about preventing window strikes in your home, then Jim Cubie's "Consumer Guide to Bird Window Collision Prevention", may be worth a look (click here to download).

The guide describes proven options for prevention, how to make a DIY version of each option, a comparison and costs of each option described.  All options discussed in the guide are approved by the American Bird Conservancy.

The free, 27 pages guide includes photos comparing windows with and without the prevention system installed.  The comparison looks at effectiveness, durability and ease of installation of each system.  You can also download a video version of the guide here.

Conservation Conversation Lecture Series--Sponsored by Sycamore Land Trust


Lecture Series Archived on YouTube

The Sycamore Land Trust sponsors a lecture series that feature local experts and authors that discuss conservation issues that should be of interest to EAS members.  The online Zoom events have been recorded and are available to view via YouTube.  Below is a list of presentations given so far:

Conservation Conversation Archives (on YouTube):


January 27, 2022.  Doug Tallamy  "Nature's Best Hope" (Click here)


March 10, 2022.  Ben Goldfarb  "Dam It! How Beavers Can Save the Planet" (Click here)

May 12, 2022.  Nate Engbrecht  "Amphibians & Reptiles of the Bean Blossom Creek Valley"  (Click here)

June 23, 2022.  Carroll D. Ritter.  "How Magnificent Trees of Indiana Can Be An Inspiration to Appreciate Our Great Forest Heritage" (Click here)

July 7, 2022.  John C Robinson.  "Discover the Awe of Birdwatching" (Click here)

September 1, 2022.  Allisyn-Marie Gillet.  "It Takes a Village to Raise a Chick" (Click here).

US Fish & Wildlife Service

US Fish & Wildlife Service

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