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Friends of Sheri Capehart Nature Preserve http://www.scnpfriends.org Arlington, Texas Mon, 01 Aug 2022 03:24:07 +0000 en-US hourly 1 https://wordpress.org/?v=5.1.6 http://www.scnpfriends.org/wp-content/uploads/2017/08/cropped-night-hike-5-32x32.jpg Friends of Sheri Capehart Nature Preserve http://www.scnpfriends.org 32 32 99808451 Upcoming Activities… http://www.scnpfriends.org/?p=2295 http://www.scnpfriends.org/?p=2295#respond Mon, 27 Jun 2022 19:05:10 +0000 http://www.swnp.org/?p=2295 Continue Reading →]]>
Tuesday, August 16, 7pm, Spiders of SCNP, via ZOOM

Meghan Cassidy will give a foundation of basic info about spiders and other arachnids including harvestmen, scorpions, ticks, and a few others – most of whom are misunderstood, and almost all often feared. The presentation will include basic taxonomy, ecology, natural history, and common families. Meghan will discuss spiders found in Texas prairies and the plants these spiders may be associated with, especially those at SCNP. She will also offer some strategies for identifying spiders. Meghan has many detailed spider photos to show, and she will provide some tips for using iNaturalist as a learning resource for spiders!

See below for her bio, since she will be leading a walk at the preserve a couple of weeks later.


Saturday, August 27, 7pm, Bats of the Area and How to Find Them, at SCNP

Local bat enthusiasts Ellen Ravkind and Anne Alderfer along with bat expert Kate Rugroden from the Bat World Sanctuary will provide our program, to be held at the amphitheater, overlooking the south pond.  Kate can talk about the bats in this area and the role the sanctuary plays in education and rehabilitation. Ellen and Anne will demonstrate the use of the echo location devices from Wildlife Acoustics (Echo Meter Touch 2).

We will meet in the amphitheater that overlooks the south pond. You might want to bring bug spray and water, and a good flashlight or headlamp with fresh batteries for getting back to the parking lot at the end of the evening.

Kate Rugroden is Director of Special Projects for the Bat World Sanctuary and is a licensed wildlife rehabilitator, specializing in bats, raccoons, and opossums. To learn more www.batworld.org and www.bwmidcities-batworld.org.
Dr. Ellen Ravkind is the Naturalist Manager/Environmental Educator at River Legacy Foundation/River Legacy Living Science Center. Anne Alderfer is a part time Naturalist at River Legacy Park and a Master Naturalist. 


TENTATIVE Date: Saturday, September 3, 7:30 pm, An Evening at SCNP, Looking for Arachnids

Meghan Cassidy will lead us on a spider walk focusing on the types of spiders commonly found at SCNP. Meghan will cover high level information about the natural history of some of these spiders, why spiders are ecologically important (and not scary!), cover the 2 types of medically significant spiders that can be found in Texas along with precautions, as well as handing out an informational pamphlet she has created, including photos of spiders from SCNP! As we walk around, we’ll encounter other invertebrates (such as insects), so Meghan will give some impromptu information on any insects we come across as well!

Meghan is a photographer, and an arachnology enthusiast living in the DFW area. Originally from the east coast, she relocated to Texas 10 years ago and began studying Texas’ invertebrates in her free time, with a special focus on arachnids and arachnid diversity!

We will meet in the amphitheater that overlooks the south pond. Wear sturdy shoes or boots, maybe bring bug spray and water, and especially a good flashlight or headlamp with fresh batteries. The walk back will be in the dark, so a good light will be essential.

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Recap of May 27 Program http://www.scnpfriends.org/?p=2469 http://www.scnpfriends.org/?p=2469#respond Thu, 09 Jun 2022 21:53:40 +0000 http://www.scnpfriends.org/?p=2469 Continue Reading →]]> Evening Walk, Looking for Yucca Moths
John and Grace Darling, Leaders
Photos and Comments by Dana Austin & A. Corboy

John and Grace Darling led us on a walk through SCNP with emphasis on finding some active Yucca Moths in the Glen Rose Yucca Meadow.

Before we started walking, John and Grace provided some background on Yucca Moths. For example, male and female moths emerge from their cocoons in the spring, timed with the blossoming of the yucca plant. There is an extraordinary partnership between the yucca moth and the yucca plant. They are so interdependent that one cannot live without the other, referred to as mutualism.

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Recap of April Program http://www.scnpfriends.org/?p=2453 http://www.scnpfriends.org/?p=2453#respond Tue, 10 May 2022 16:03:14 +0000 http://www.scnpfriends.org/?p=2453 Continue Reading →]]> SEEING and REMEMBERING your visit to SCNP – with the camera app on your smartphone, presented by Jim Domke

In the April program Jim Domke shared his tips for taking better nature photos with a smartphone, including how to use depth of field to highlight your subject, how to take advantage of the lighting provided by a cloudy day, and how shooting from a different angle can enhance your photos. Jim’s presentation used his photos from the nature preserve to illustrate his points.

All were wonderful  – some dramatic, some peaceful, all lovely images of the nature preserve. The presentation is an excellent way to see the results of paying attention to details! 

View the program on Facebook Live https://fb.watch/cWzvcmIRyv/

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Recap of March Program, presented by Michael Smith http://www.scnpfriends.org/?p=2436 http://www.scnpfriends.org/?p=2436#respond Mon, 04 Apr 2022 18:59:00 +0000 http://www.scnpfriends.org/?p=2436 Continue Reading →]]>

Don’t Fear the Creeper – That was the title Michael gave to his program about how to help with fear of animals and nature. We humans come fully equipped to respond to nature with wonder, gratitude, amazement – and sometimes with fear and revulsion. Our brain and body can warn us of danger, but if that alarm system overreacts, we may come to fear things that are not really dangerous. That is especially true for spiders and snakes, but we can become afraid of lots of things in nature.
Michael talked about how those fears can get started and how we can decrease fears of things in nature. What can we do to become less afraid? Michael drew on his career as a Psychological Associate to give some answers. The rationale for what’s called “exposure therapy” is that gently, gradually confronting what we fear in a safe context lessens the fear. Michael suggested multiple ways to deal with these fears, many captured in a list of helpful strategies for dealing with fear and anxiety. 

View the program on Facebook Live https://fb.watch/bR_kguo8EL/

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Report from the 15th Annual Backyard Bird Count http://www.scnpfriends.org/?p=2406 http://www.scnpfriends.org/?p=2406#respond Mon, 28 Feb 2022 15:55:25 +0000 http://www.scnpfriends.org/?p=2406 Continue Reading →]]> By Jim Frisinger

Our 10 bird counters tallied 35 species and 185 birds during the two-hour Great Backyard Bird Count Feb. 19 at the Sheri Capehart Nature Preserve. A Western meadowlark was ID’d for the first time in the 15 years we have been counting.
Record numbers of turkey vultures, white-winged doves and red-winged blackbirds were also counted. Sadly, no yellow-rumped warblers were spotted this year for the first time.
Below is our species list we submitted as part of the worldwide citizen count.

Northern Shoveler5
Gadwall5
Mallard12
Ring-necked Duck3
Canada Goose8
Bufflehead1
Pied-billed Grebe3
White-winged Dove12
Mourning Dove4
Ring-billed Gull2
Double-crested Cormorant3
Great Blue Heron2
Turkey Vulture7
Red-shouldered Hawk1
Red-bellied Woodpecker2
Downy Woodpecker1
Eastern Phoebe1
Blue Jay5
American Crow2
Carolina Chickadee5
Tufted Titmouse2
Ruby-crowned Kinglet2
Golden-crowned Kinglet3
Carolina Wren1
Bewick’s Wren2
Northern Mockingbird1
Eastern Bluebird1
American Robin1
American Goldfinch1
Dark-eyed Junco5
White-throated Sparrow1
Song Sparrow1
Western Meadowlark1
Red-winged Blackbird70
Northern Cardinal10

Photos Top Row: Carolina wren (Annabelle Corboy), turkey vulture (Jim Frisinger), Ruby-crowned kinglet (Annabelle Corboy)Photos Bottom Row: Cyndi Golden points to a bird on Boulder Hill. (photo by Michael Golden), After a job well done: Annabelle Corboy, Amy, Hannah and Greg Snyder and Lynn Healy (Photo by Laura Capik), Tallying up the the bird count at the end of the morning, from left, Kathy Draves, Jim Frisinger and Laura Capik (photo by Michael Golden)

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Winter Woody Plant ID Class http://www.scnpfriends.org/?p=2384 http://www.scnpfriends.org/?p=2384#respond Sat, 22 Jan 2022 00:28:58 +0000 http://www.scnpfriends.org/?p=2384 Continue Reading →]]> What Trees and Shrubs Can Tell Us in Winter

Review of Suzanne Tuttle’s walk in the woods, by Michael Smith. Photos by Michael Smith

In winter, most woody plants (trees and shrubs) lose their leaves and so they might seem to lose their identity. What is this plant with a big brown trunk and some smaller brown branches? Looking more closely, the tree gives us lots of clues: the texture of the bark, the overall shape of the trunk and branches, any thorns or remaining berries, and so on.
Suzanne Tuttle helped us interpret these clues on a bright, perfect Saturday, January 22nd. Suzanne is the retired manager of the Fort Worth Nature Center & Refuge, and she serves on Boards of Directors for the Fort Worth Chapter of the Native Prairies Association of Texas as well as the John Bunker Sands Wetland Center. Her Winter Woody Plant ID class is a favorite among nature lovers every time she offers it. On the 22nd she offered it at Sheri Capehart Nature Preserve, and fifteen of us walked around the preserve with her, learning the secrets of elbowbush, sumac, prickly ash, as well as post oaks and other trees.
The first tree whose secrets were revealed was a cedar elm, a tree that is common in the preserve alongside post oaks and others. One clue to the identity of cedar elm is its profusion of small branches. After all, its leaves are small and so it takes a lot of them to collect sunlight and power the tree. A fine tangle of small branches is needed to grow all those leaves.
Then, at a bend in the sidewalk leading down to the fishing pond, Suzanne showed us a low thicket of pale branches, with each major stem sporting pairs of side-branches. This was elbow bush, a shrub in the olive family. One of its characteristics is those pairs of branches growing opposite each other. Another interesting thing that Suzanne told us is that it’s a “dioecious” plant, meaning that there are separate male and female plants. Instead of every plant having flowers that can both produce pollen and grow seed, there is a separate male plant to pollinate the flowers of a different female plant.
Near the pond, she found a honey locust, a tree with huge branching thorns. It is literally the case that even its thorns have thorns. Late in the year it produces long flat seed pods that twist into spirals as they dry.
We walked back toward the north pond and through the woodlands, past a Hawthorn with its slender, needle-like thorns and among some sumac. The dark red seeds of sumac, clustered together in seed heads, can be boiled to make a sort of lemony drink, Suzanne told us.
In a couple of woodland locations she found coralberry, a small shrub whose magenta-pink berries can persist into the winter even after the leaves are gone. The coralberry often grows among the post oaks, and the preserve gave us lots of post oak and blackjack oak for Suzanne to talk about. One of the things she mentioned was that the post oak, with its thick bark, is fairly fire-tolerant. Based on the spacing of the bigger post oaks, she wondered if long ago the area might have been more of a savannah with trees spaced a little apart and grasslands growing among them. Periodic fires (from lightning strikes or set by Native people) would have killed back the sprouts of woody plants and maintained the open savannah.
We passed what remained of some invasive Chinaberry which a team of volunteers led by Jim Frisinger has worked to eradicate. Further down the trail we came across some native western soapberry, giving Suzanne an opportunity to talk about the differences. The destructive Chinaberry has, when the trunks get large, a vertical striped sort of pattern to its bark and has clusters of brownish berries that grow from around a branch juncture and look a little like a skirt around that portion of the branch. Soapberry, a small native tree, has clusters of yellow berries that are a little translucent, letting you see a shadow of the dark seed within it. Those clusters grow on branching panicles that hang away from the tree’s branches.
The walk continued on in that manner, a group of people eager to understand more about the natural world around us. Suzanne showed us a small water oak and talked about the delightful – if kind of thorny – prickly ash (aka “Hercules club” or “toothache bush”). She talked about poison ivy and how we might identify it by those clusters of off-white berries in winter when the “leaves of three (let them be)” have fallen. Knowing more about trees and shrubs, as well as birds, insects, and everything else, changes how we perceive this place. The more details are revealed, the more deeply we come to know, respect, and care for this place. Our thanks to Suzanne Tuttle for helping us deepen our relationship with the preserve.

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City of Arlington Dedicated the Sheri Capehart Nature Preserve – Nov 8, 2021 http://www.scnpfriends.org/?p=2342 http://www.scnpfriends.org/?p=2342#respond Wed, 15 Dec 2021 04:07:16 +0000 http://www.swnp.org/?p=2342 Continue Reading →]]>

On November 8, the Southwest Nature Preserve was dedicated in honor of Sheri Capehart, a passionate environmentalist, animal lover and community leader who is also Arlington’s longest-serving City Council member.
The city of Arlington has a wonderful recording of the event, highlighting the Friends activities and contributions to maintaining the preserve as well as why the name Sheri Capehart was a perfect fit for naming the Preserve.


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The 8th Anniversary of the Sheri Capehart Nature Preserve – Review http://www.scnpfriends.org/?p=2315 http://www.scnpfriends.org/?p=2315#respond Wed, 15 Dec 2021 03:56:15 +0000 http://www.swnp.org/?p=2315 Continue Reading →]]> The recent history of the preserve starts in 2005, when The Trust for Public Land, partnering with the City of Arlington, purchased the land from a housing developer. The trust held the land until Arlington voters passed a bond package.  It took years of restoration and improvements before the facility opened to the public in 2013. We marked the 8th Anniversary of the park’s grand opening with a program at the preserve on Saturday, November 6th.

Laura Capik welcomed the group with some history of how the preserve came to be, plus a run-down of the projects that the Friends group has undertaken in the last few years.

Jim Frisinger led a walk to the north edge of the preserve, explaining the project to restore the prairie in that area, describing the decisions we’re making on what should be encouraged and protected and what steps we are taking to help this prairie area thrive. Click here for the video of the walk

After the walk, we served refreshments and visited the Audubon Birding area off the Pollinator Meadow. 

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September 21 Program Review http://www.scnpfriends.org/?p=2253 http://www.scnpfriends.org/?p=2253#respond Tue, 28 Sep 2021 03:28:37 +0000 http://www.swnp.org/?p=2253 Continue Reading →]]> The World of … Lichens

Manuela Dal Forno, PhD, presented an entire introductory course on lichens. Lichens are complex symbiotic units formed by a main fungal partner, a green algal and/or a cyanobacterial partner, along with a diverse community of microorganisms.  They represent an important biological group present in most terrestrial ecosystems, with key functions such as colonizers, food source, nitrogen fixers, among many others. During the Zoom recording of her program, you will learn more about lichens in general – what they are, why they are important and how to detect important characteristics to identify them in the field and in the lab.

Manuela Dal Forno (Manu) is a Brazilian-American researcher interested in multiple aspects of the lichen symbiosis. She earned her PhD in Environmental Sciences and Public Policy at George Mason University in Virginia and later was awarded two postdoctoral fellowships to work at the Botany Department at the Smithsonian National Museum of Natural History. She joined the Botanical Research Institute (BRIT) in 2019. Her research has particularly focused on the discovery of new species, especially in the Tropics, and how they are related to one another.

View the recording here.

Some resources for those wanting to learn more and explore a gallery of lichens.

Lichens of North America (book) and website
http://www.sharnoffphotos.com/lichen_info/index.html
 
iNaturalist guides and observations
www.inaturalist.org/guides
 
US Forest Service
https://gis.nacse.org/lichenair/index.php
 
Ways of Enlichenment
https://www.waysofenlichenment.net/

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August 14 Program Review http://www.scnpfriends.org/?p=2264 http://www.scnpfriends.org/?p=2264#respond Wed, 01 Sep 2021 20:00:13 +0000 http://www.swnp.org/?p=2264 Continue Reading →]]> An Evening at SWNP – Looking for Arachnids, by Michael Smith

The evening of August 14th was focused on discovering and understanding spiders and their kin, under the guidance of Meghan Cassidy. She is a naturalist, photographer, and a strong advocate of everything in the class Arachnida. Those animals, the arachnids, include spiders, harvestmen, scorpions, ticks, and a few others, many of whom are misunderstood and sometimes feared. There is much to love about arachnids, though, and the walk on the 14th showed it.

Meghan brought a few examples to get us started, including a wolf spider, yellow garden spider, and a solifuge. During the discussion of those critters, a family discovered our little group and joined for a while. Their pre-adolescent boy promptly found a striped bark scorpion and brought it to us. It had just molted and was bright, soft and vulnerable. An interesting discovery was that, while scorpions show up as fluorescent yellow-green under a black light, this one did not. Perhaps there is some change in the chitin after it hardens that is necessary in order to fluoresce under black light.

About a dozen participants came together before we started the walk. Many of them were easily pulled into a genuine fascination with the little things of this world. For them, spiders are no less worthy of study – and of admiration and respect – than any other wildlife.

I tentatively place myself in that group, despite my continuing tactile defensiveness of webs or what feels like clutching, unpredictable contact of spider-on-skin. I can admire the symmetry and patterns of webs and be fascinated with the sparkling way that sunlight can reflect off the silken strands. I am captivated by the pretty patterns of yellow garden spiders or green lynxes, and wonder at the strange, crab-like, thorny forms of spiny-backed orb-weavers. It’s the grasping, tactile contact with a bigger spider that I struggle with. 

The admiration and wonder are stronger than the crawling residue of fear. I joined the ranks of the other naturalists, searching the vegetation alongside the trail, capturing a small species of lynx spider to ask Meghan to identify, and listening to the give-and-take of discussion as she shared her extensive knowledge of these arachnids and their natural history. We found leaves folded around silken “sleeping sacs” that some spiders use for a daytime refuge, and some of them contained shed skins of growing spiders.

It was such a positive experience, being a part of a group whose delight was in discovering and sharing things about the natural world. Somebody would find something on the sidewalk and everyone would immediately crouch down to see it up close, photograph it, and find out what Meghan would have to say about it.

“It’s a dotted wolf spider.” Meghan explained, pointing out the pattern on its abdomen and how it lacked the chevrons that defined the rabid wolf spider (which is not really “rabid” or aggressive, just fast).

After sunset, Meghan showed us how to shine flashlights into the leaf litter and look for the greenish reflected light from the eyes of wolf spiders. At the ponds, we were able to see many long-jawed orb-weavers (the name emphasizes their jaws but once again they are not aggressive or dangerous), spinning webs over the water. In the trees, other orb-weavers were constructing their target-shaped webs. The tinier spiders wove orbs so fine that they looked like small circles of woven mist clinging to a flower stem. At the north pond, participants with black lights discovered two tiny scorpions. Despite being babies, they fluoresced green in the black lights; otherwise we never would have found them.

As the evening was wrapping up around 10:00pm, I walked ahead a little and watched the approaching group, now visible as a half-dozen flashlight beams shooting out of the tree canopy at shifting angles like some luminous beast of the woods. These were my kind of folks, people who would stay past the designated time and never give it a moment’s thought, lost in discovery and wonder.

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