Gleanings of the Week Ending September 7, 2024

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

Rare ‘Doomsday’ Oarfish Surfaces in California, Just the 20th Discovered in the State Since 1901 - Usually lives as far as 3,280 feet below the surface. Scientists conducted a necropsy, but they couldn’t discern a reason for the elusive fish’s death. Scientists aren’t totally sure why oarfish and other deep sea-dwelling creatures sometimes surface, but they suspect the animals may be disoriented, sick or injured.

Owl-Inspired “Bionic” Fan for EVs Reduces Fan Noise 50% While Improving Efficiency 10% - Making EVs even quieter!

Do you have knee pain from osteoarthritis? You might not need surgery. – Article written by researchers in Australia about the updated treatment guidelines for knee osteoarthritis that stress exercise, increasing physical activity, weight management, and pain medication (in moderation and not opioids). The links at the end of the article include an online exercise program specifically for knee osteoarthritis.

Frank Lloyd Wright’s Only Skyscraper Set to Close Amid Controversy – Price Tower in Bartlesville, Oklahoma. Built in 1956. Designated a National Historic Landmark in 2007.

Rebuilding the Genome of Woolly Mammoths - Typically, ancient DNA fragments yield short snippets of DNA and provide an incomplete picture of the genomic puzzle. However, the woolly mammoth skin sample showed promise. The team assembled the first 3D reconstruction of the woolly mammoth’s genome, which had 28 chromosomes; the order of genes was very similar to that of the Asian elephant. They discovered: the specimen was female; differences from modern elephants in the genes related to hair follicle development and, more broadly, hair maintenance; cooling and dehydration can preserve the molecules in their original locations.

Homelessness – From Our World in Data. Interesting…but frustrating too. I was glad that they emphasized when the data is not consistently collected…and the analysis gets very tricky.

Only One Country Is Making Progress on Electrifying Everything – Unfortunately it is not the US…it’s China. The country that electrifies most rapidly and builds the most renewables to power its electrified economy will be the most competitive economy globally.

As Arctic Thaws, New Evidence of Looming ‘Mercury Bomb’ - Scientists estimate that the amount of mercury in the atmosphere has grown sevenfold over the last 500 years, primarily from burning coal. Air currents are carrying airborne mercury toward the Arctic, where it is absorbed by plants, which then deposit the toxin in the soil. Over centuries, mercury has built up in the frozen ground, such that today, Arctic permafrost may hold more mercury than the atmosphere, the oceans, and every living organisms combined. As the region warms, melting permafrost could liberate this buried mercury.

Rare Fossils Give Clues to How Tardigrades Survived Mass Extinctions by Hitting the Snooze Button - Tardigrades are known for being some of the most resilient animals to exist, capable of surviving extreme temperatures, pressure, radiation and starvation—they can even withstand exposure to outer space. Only four known fossils of tardigrades have been found to date, and all of them are preserved in amber, or ancient tree resin; recently they were reanalyzed using confocal fluorescence microscopy. Cryptobiosis is the secret to tardigrades’ incredible resilience, and it appears to have evolved in two tardigrade linages (at least). In survival situations, these hardy creatures will expel the water from their bodies and suspend their metabolism almost completely allowing them to outlast unfavorable conditions of their environment.

Five ways the brain can age: 50,000 scans reveal possible patterns of damage - Results could lead to methods that detect the earliest stages of neurodegenerative disease. Dementia and its precursor, mild cognitive impairment, had links to three of the five patterns. Intriguingly, the researchers also found evidence that the patterns they identified could potentially be used to reveal the likelihood of more brain degeneration in the future. Other patterns were linked to conditions including Parkinson’s disease and Alzheimer’s disease, and one combination of three patterns was highly predictive of mortality.

Josey Ranch Feathers – July 2023

There is an area at the edge of the smaller pond at Josey Ranch (Carrollton, TX) that seemed to have more feathers. Maybe birds tend to preen there…or maybe the breeze carries the feathers there – either on the water surface or into the grass. Many of them seem to have a lot of down rather than being flight feathers. Some look very fresh with all the parts neatly zipped…still the way they were when maintained by the bird. Others have been on the ground long enough to be bedraggled. Most of them are white although there are some brownish tones in some.

Most of these pictures were taken from the same spot! Using the optical zoom on my Canon Powershot SX-70 HS on a monopod…I simple turn all around to get the feathers visible in every direction. It was still within the magic hour after sunrise…. lots of good light to highlight the feathers and their background. I like the structure of the feathers – the gentle curves – the delicate wisps of down – the magic of birds.

Pocket Prairie and Josey Ranch – May 2023

The Pocket Prairie at Josey ranch was blooming when I was there in May. The gardeners have worked hard to help it recover after last summer’s heat/drought. It will take a few years to fill in between the clumps that were planted new this year.

My favorites are the sunflowers. I like them from every angle!

The goslings that I noticed in April were in the same area in May. They have grown….and there are only 3 of the 5 left. Even though there are 2 diligent adults nearby, predators still take a toll. I wondered what the top predator would be in this urban park…maybe turtles…maybe unleashed dogs?

On the larger pond, there were mallard ducklings. There were 5 of them with a female. The males steer clear…seemed to be in all male groups.

The grackles were active and noisy.

They didn’t seem to disturb the great egret’s concentration as it searched for breakfast.

The swans were across the pond from where I stood. There seemed to be a lot of feathers on the shore. I wondered if the swans were molting or if something had attacked one of them.

I’ll be back in Carrollton by mid-June….looking forward to more sunflowers!

Zooming – November 2022

18 images in the slide show for November – less skewed toward botanical subjects than recent months. Outings to Hagerman National Wildlife Refuge, Springfield Conservation Nature Center and Josey Ranch Lake increased my opportunity to photograph wildlife. It was good to see winter and migrating birds…more of those in coming months (probably).

Enjoy the November slide show!

Josey Ranch – October 2022

The work to replace the decking on the boardwalks around the cattails end of the lake at Josey Ranch has been completed.

The damage to the concrete walkways from the drought and the maintenance trucks is still there and is evidently not going to be repaired anytime soon.

My visit toward the end of October was later in the morning, and I didn’t see as many birds as usual. There was one female grackle…not the larger crowd that used to be at there all during the year with raucous calls.

The Great Egret that I see almost every time was still there.

The Snowy Egret was new this time. It was on the other side of the lake in the grass at first then moved to the new decking on one of the boardwalks. The wind ruffled its feathers.

The swans were asleep on the bank.

There were a lot of white feathers in the water and in the grass. I took a series of pictures. Many of the feathers looked relatively fresh, and I wondered if they were from normal preening or a disaster that befell some white bird.

I saw some small birds on the water and walked closer to see them. The Ruddy Ducks were either passing through on migration or maybe they will stay for the winter!

These are diving ducks so it takes some effort to photograph them if they are feeding!

As I walked back toward my car, a turtle was poking its nose out of the water. The lake has been cleared of snags that the turtles could use for sitting on cool days, unfortunately.

Overall – the winter birds had not shown up yet at Josey Ranch by late October. I expect to see more in November.

Cape May Spring Festival and MEER Feathers Zentangle

Continuing the blog post series prompted by COVID-19….

A Zentangle Prompt

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Let’s make some MEER feathers. Combine the central part of the MEER pattern and some clever strings to make a feather collage. Alternate drawing a ‘rib’ with a pen then a string around the rib with a pencil until you have something like my design (feel free to make more or less ‘feathers’)…then start filling in the spaces with MEER type V shapes. I started one of the ‘feathers’ to illustrate how to make the tip of the feather.

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Here is a tile I made yesterday based on the prompt: create your own pattern based on the picture of tiles.

Cape May Spring Festival Day 1

From 7 AM to 4:45 PM my husband and I attended the first day of the Cape May Spring Festival which is virtual this year. We signed up because we enjoyed the festival in Cape May last spring (my blog posts about it here).  Evidently there were 400 participants in the sessions today and there is a second day tomorrow.

Virtual sessions are different than being out in the field….but the speakers did a good job of organizing material for the screen. Many of the talks included recent videos of places that we saw last year; like natural places everywhere…they are constantly changing…worth seeing again and again. One difference this year: the colder weather (and cooler water temperatures) delayed the horseshoe crab egg laying so the birds that fatten themselves on the eggs are not as robust as last year…will have to continue to their arctic breeding areas with less reserves.

The sessions have taken advantage of the virtual format. There was an excellent one using sonograms (for bird songs…a good ‘birding by ear’ learning tool) and another tutorial on identifying shore birds using traits other than markings.

Overall – I prefer being outdoors and seeing/hearing birds in the wild, but this is an alternative I can enjoy this year; I appreciate the work the festival sponsors put into making it happen. I am looking forward to the second day.

(a few pictures from last year)

Links to my previous “filling a day of social distance” posts  here.

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The Zentangle® Method is an easy-to-learn, relaxing, and fun way to create beautiful images by drawing structured patterns. It was created by Rick Roberts and Maria Thomas. "Zentangle" is a registered trademark of Zentangle, Inc. Learn more at zentangle.com.

Gleanings of the Week Ending February 15, 2020

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

All About Feathers – A tutorial on feathers…lots of great visuals (stills, videos, drawings, photos) from The Cornell Lab Bird Academy.

NOAA Research’ top 5 stories from 2019 – Catching up on some reading…the stories featured were the most popular on their site in 2019.

Capturing CO2 from trucks and reducing their emissions by 90% -- ScienceDaily – Research applicable to making transportation friendlier to the environment…retrofitting of existing trucks.

Rising Temperatures Are Stressing the U.S. Corn Belt - Yale E360 – It’s not just rising temperatures…it’s the shift in rainfall causing hydrologic stress during the summer months. Maybe the ‘corn belt’ could shift northward?

Traveler Special Report: Threatened and Endangered National Parks – In Alaska and beyond…we are losing the natural treasures we sought to protect.

The history of candy canes and why they taste so cool – I am late getting around to including this in the gleanings list. I like peppermint candy year round…even if it’s not in the candy cane shape! I have peppermint candy chips to use in snow ice cream…if it will ever snow enough this winter here in Maryland!

Largest Electric School Bus Program in United States Launching in Virginia | CleanTechnica – Dominion Energy partnering with Virginia School districts…to achieve a 50% electric school bus fleet by 2025 and 100% by 2030. Good for the environment and the lungs of Virginia’s school children. I hope other states will move in the same direction.

These infrared images show just how alive butterflies’ wings are – Surprise! Butterfly wings have living cells not just membranes and scales! The living cells can sense heat and the butterfly responds behaviorally.

 Flame retardants and pesticides overtake heavy metals as biggest contributors to IQ loss - ScienceDaily – There are a lot of things that are toxic in our environment these days…and children are the ones that are hurt the most…and the hurt lasts their lifetime. This study looked specifically at lead, mercury, poly-bromated diphenyl ethers (PDBE…flame retardants) and organophosphate pesticides.

Top 25 Wild Bird Photographs of the Week: Bird Photography – A little eye candy to end the list of gleanings for this week.

Birding at Josey Ranch Lake – Part 2

Continuing my post about my walks around the lake at Josey Ranch (near the public library on Keller Springs in Carrollton Texas)…

There were 6 birds that I only saw on one of the three days.

I saw a pair of Eastern Bluebirds near the library building. They appeared to be investigating possible nesting sites. There were not nesting boxes around….or trees big enough to have cavities for nesting. They were looking at vent openings in the building --- probably not a good site.

As I walked , I saw a bluebird across the lake from the library. It could have been one of the pair….or not.

On the one sunny day, I saw a juvenile Yellow-crowned Night-heron – I didn’t yet have the distinctive face marking but it’s body shape/posture and leg length made this the likely identification (rather than a juvenile Black-crowned Night-heron).

The Pied-billed Grebe is small and dives….but I did get three pictures. There might have been a pair, or the pictures could have been the same bird.  

A small group of Ruddy Ducks made a rest stop on the lake. It was a mixed group of males and females.

Other ducks that were only at the lake one of the cloudy days were Ring-necks – yes, the ring is on the bill rather than the neck….the name is misleading.

Finally – I saw one European Starling. The grackles seem so dominate that the starlings stay away! Or something else might be going on…and they aren’t as numerous as they once were.

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While I was in the area – I walked through the Pocket Prairie that will be bursting with spring wildflowers…but is now dormant. The dried vegetation was mostly cleared…but the green leaves of perennials were visible…some of the leaves had red highlights!

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I also photographed some feathers on the one sunny day. Birds preen to keep their feathers in working order – the barbicels and barbs perfectly aligned. Once the feathers are detached from the bird, the barbicels unzip…clumps of barbs form…the feather begins to degrade.

As usual – I enjoyed the walks at Josey Ranch. There are enough people and birds to make it a little different every day!

Blue Jay at the Birdbath

I was pleased to see a Blue Jay at our bird bath. Back in July, my husband I had found blue jay feathers to the side of our house and we didn’t see or hear them for several weeks. A week or so ago, we started hearing them again and then one came to the birdbath! I liked this picture because it shows the wing feathers so nicely…the blue with white bars on the flight feather, the more down-like feathers covering the top of the wing and the neck.

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This week is at the Howard County Conservancy Camps is about flight and I’m going to bring this picture and the feathers for the campers to look at closely….flight feathers up close. It’s a great supplement to the rest of the activity I have planned.

Brookside Gardens – July 2019

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Even though the weather has been very hot this month, there are still plenty of flowers at Brookside Gardens that are weathering the heat.

The buttonbushes have all stages of flowers and seed formation now.

The green cones are forming on the bald cypress.

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The butterfly weed seed pods are bursting open even as the Monarch caterpillars are munching on their leaves. The common milkweed pods are still green.

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There are quite a few butterflies out in the gardens enjoying the flowers. The tiger swallowtails particularly enjoy the Joe Pye Weed. Last weekend I noticed more Monarch butterflies in the gardens. Maybe these are arriving from Mexico although it certainly is later than usual.

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I walk around the gardens before my shifts at the Wings of Fancy exhibit. There were only two this month because of the travel I did during the first half of the month. There are plenty of things to see like chipmunks and milkweed bugs.

I even found a feather on a leaf that I could get close enough for a macro shot.

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In the exhibit, the caterpillars are eating and growing. There was a Palamedes swallowtail caterpillar that had a ‘sun worshipper’ pose on a ‘excessive heat’ day.

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There are plenty of Monarch caterpillars of all sizes on butterfly weed in the caterpillar house as well.

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Inside the conservatory, I don’t have much time to take pictures of butterflies (lots of visitors) but I did manage a few. One day it was so hot that even the butterflies were desperate for water (on the floor) and not flying as much.

Mt. Pleasant – May 2019

I arrived at Howard County Conservancy’s Mt. Pleasant before one of the elementary school field trips – early enough to take a short hike and photograph some of the May sights along the trail. One of the first birds I saw was a small flock of gold finches near the Community Garden – eating ravenously.

Earlier in the week, when I was hiking with 2nd graders, we had spotted some caterpillars on a newly planted hickory tree. I never try to photograph things while I have a field trip group with me, so I was going back to try to photograph the caterpillars. The morning was cool…and I couldn’t find the caterpillars on the tree! The walk through the quiet area of new trees – invasive removed – was worth it anyway - a contrast to the noisy enthusiasm that would arrive on the school buses.

On the walk back, I was quite enough approaching a nest box to see the tree swallow at the hole. It looks almost like a plug – a perfect fit!

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There was a feather in the grass beside the mowed path. From a hawk? The feather was large…must have come from a large bird.

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The dew was still on the funnel spider webs. It’s hard to find them after the grass is dry.

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Dandelions had already had a first round of flowers…and gone to seed.

The tulip poplar (also called yellow poplar) had lots of buds…ramping up to blooms. The flowers do look a lot like tulips!

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Feathers and Shells at the Beach

It was so rainy during our time in Florida for the Space Coast Birding and Wildlife Festival that we only got to the beach twice and we were time limited because both were with a field trip group. I took pictures of birds but also feathers and shells. Most of the feathers were bedraggled because of the rain even though some were probably relatively fresh.

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White was the most common color. I like the windswept curves.

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Sometimes the shadow caught my eye and the relative difference between the end feather versus the part closest to the bird’s body that is more down-like.

This feather looked to be in good condition. I wondered if the thinner part of the feather was from wear.

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This feather was almost buried in the sand. How long does it take for a feather to decompose?

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What an odd feather! The strands of white were very long.

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The swirls of strands and fluffiness of the down…a dance of filaments.

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In one area that has been roped off for a bit there were a lot of shells…and a bit of sea weed. In other places, the shells were not as numerous because so many people pick up shells.

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Most of the shells are broken or polished by the tumbling in the sea.

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Some are almost buried in the sand. I didn’t pick up any shells on this trip. Maybe I will next time.

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