Yellowstone National Park: Part 4. An unplanned and unexpected encounter!

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As my friend Joan and I traveled through Yellowstone, we saw bison everywhere, in herds, small groups and sometimes in pairs or alone. Quite often this was on the road, so that we needed to be aware it might take us longer than planned to get to a particular place.

The many reports of human-bison encounters which I had seen and read about over the years made me quite aware of how dangerous it can be for a person to come close to a bison. They are huge animals – adults weighing between 1,200-2,000 pounds and standing 4-6 feet tall. If provoked or alarmed, they can be quite dangerous.

I was not above making derogatory comments about how thoughtless people took risks when they approached bison. For example, one day we stopped along a road and watched bison crossing the Yellowstone River, swimming with difficulty against the rapid currents.

Some park visitors had stopped down the road and a couple got out and descended into the valley, headed for the river. They apparently were hoping to get some close-up photos and I made some disparaging remarks about how they were taking unnecessary risks and should turn around.

A few days later, however, I discovered that not all encounters are the result of thoughtlessness.

Joan and I had stopped at a valley overlook where Park authorities had laid out a walking trail. It was a good distance from any hills and several people were out hiking the trail. As we both like to walk, we decided to go down to the trail as well.

As Joan walks faster than me and because I stop often to photograph, she went on ahead. I meandered along taking photos of plants, birds and what I thought were prairie dogs, but which were likely Uinta ground squirrels. There were some bison far down the valley, but they were mostly heading up into the hills, so we felt ok walking on the trail.

After a while, I was nearing the river and wanted to photograph some green-winged teal. As I approached their spot, Joan came walking back to my surprise. I’d thought she would go on for a while, but she said some people ahead of her were following the trail as it ascended a hill, and they were not that far from some bison. She didn’t want to be around any mammal-people encounters so she decided to return. I said I’d come back when I had photographed the ducks.

The sun was shining nicely and the teal were swimming back and forth. I checked my vicinity and saw no people or animals; the rodents had gone into their dens.

As I stood taking pictures, I suddenly heard a soft sound behind me, kind of like a grunt or snort. I slowly turned right with my camera still held up to my face and found myself facing a small group of bison with the lead male watching me from some yards away.

This is not the bison that faced me: I was not taking photos or making any noise at this point!

Joan had been watching from above the valley at the parking place along with a couple other people. She’d seen the bison come up over a hill and walk toward me, but she was too far away to let me know. I never heard them – or smelled them as the wind was blowing in their direction.

Not the bison who was examining me!

Joan considered calling 911 but phone coverage can be spotty. She also briefly thought about how to get medical help if something happened but hoped a ranger would come quickly as they did seem to magically appear all over the park when needed. We saw them often when groups of people stopped at roadsides.

Again – not the bison who was examining me!

In the meantime, I quickly considered my options. I can’t run; even if I could, it would be useless as bison have been clocked at 40-45 mph (65-70 km/h). I knew enough not to challenge the bison in any way, quickly looking away so I wasn’t gazing into the male leader’s eyes. I kept the camera with its long lens up in front of my face. Slowly, I pivoted back left towards the direction of the river, facing away from the bison. Then I stood completely motionless (camera still up in front of my face). I don’t know how long I stood there but at some point, I heard movement further away to my right and dared a look. The bison leader and his group had decided that I posed no threat and they had moved on down the valley.

I waited, still standing stock still, until they were a good distance away. I had to take a couple photos of the – now far off – group and then began walking as quickly as I could manage down the return path.

Photo heavily cropped; they were very distant!

My feelings were mixed: shock at what had happened, relief that I had known what to do in order not to provoke the bison, and elation that I had survived the close encounter unscathed. It also taught me that not all human-bison encounters are the result of complete stupidity – I was on a path laid out for visitors, there had been no bison nearby when we began walking, several other people had been on the trail and so I hadn’t suspected anything could happen. I likely won’t hike any paths at the park again if bison are in sight, even far away.

I continue to be in awe of the magnificent bison. I’m glad my love of wildlife and instincts helped me through a safe encounter and this will certainly be one of my most vivid travel memories. And I’ll continue to be as careful and watchful as I can when I go out into nature.

Yellowstone National Park: Part 3. Red dog at play!

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When I visited Yellowstone in 2016, seeing the American baby bison at play was one of my favorite sightings; I was certainly looking forward to seeing them again in May 2022. They did not disappoint; the first group of bison (Bison bison) that stopped us on the road on Day 1 included a good number of babies.

During our week’s stay in Yellowstone, the weather was very changeable. On one and the same day, we would have snow flurries, cold winds and hours of bright sunshine and balmy warmth leading us to shed warm jackets. That didn’t stop us from seeing bison everywhere though.

As you drive through Yellowstone, your progress is often slowed down or stopped as herds of bison take over the roads. They have the right of way, so cars need to stop as the group walks around the parked vehicles. People are not allowed to get out as the protective parents could seriously harm anyone nearby.

Sitting in your stopped car does give you a good look at the molting adults and cute youngsters as they pass by your window, sometimes within a couple of feet.

Bison are the largest mammals in the USA. They were designated the country’s National Mammal on 9 May 2016 through the National Bison Legacy Act.

They literally go everywhere. When we walked through thermal areas, we often saw bison “patties” lying about.

When I asked a ranger how they could traverse the hot springs, she said that their hooves can withstand the heat; in some areas, their thick fur even shields them and they lie down to rest in the warmth for a while. However, rangers have seen some with burns on their legs.

Bison patties are also left in grasslands, hillsides and forests. I don’t recall seeing many on roads, however.

Most calves are born in late April and May. They can stand within an hour of birth and begin walking soon thereafter. It doesn’t take long at all for them to become rather independent even though their mothers care for them for about a year.

Apart from their obvious small size, the baby bison are notable for their reddish coloring; their fur will turn adult brown during their first mid-winter. When they are about 2 months of age, the characteristic shoulder humps begin to emerge.

The babies can be extremely playful; their relatively small size enables them to run and jump in seeming jubilance, leading to the nickname “red dogs”.

Perhaps it was the climatic circumstances, but we didn’t see as many playful red dogs as I’d seen in 2016. One youngster did give us a sample of youthful exuberance, however, running, jumping and generally exuding joy.

I did learn this year that Yellowstone’s bison are quite unique. The Park is the only place with bison that are direct descendants (without cattle genes) of the millions of early bison that roamed the area in prehistoric times.

By the late 1800s, only a few hundred bison remained, having been hunted to near-extinction and deprived of needed habitat. Then, by 1902, poachers had reduced Yellowstone’s herd to only about two dozen animals.

Today, their Yellowstone population varies from 2,300 to 5,500 animals and there are groups at other National Parks as well. The Native American Inter-Tribal Buffalo Council collaborates with the National Park Service to transfer bison from national parks to tribal lands.

It’s so fortunate that strides have been made in preserving these iconic animals for us to see in person. And dedicated people are providing resources for people who want to learn more about bison: https://allaboutbison.com/

Yellowstone National Park: Part 2B.  The living creatures of Mammoth Hot Springs

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Continuing our tour through the Mammoth Hot Springs. It was a surprise for me to learn that the hot spring colors are produced by living creatures! Thermophiles are microorganisms that thrive in heat. Those living in the hottest water are colorless or yellow.

The people of the Shoshone and Bannock tribes came to Mammoth to collect minerals to make white paint.

Cooler waters contain orange, brown and green thermophiles. Sunlight also influences which colors you may see.

 

 

When hot springs rise up through limestone, they dissolve calcium carbonate. The resulting calcite is then deposited, creating travertine terraces.

These are the Palette Spring terraces coming down from the thermal pool above them.

.To my surprise, there were quite a few birds hopping about, including a chipping sparrow (Spizella passerina) and very colorful yellow-rumped warblers (Setophaga coronata).

 

Mountain bluebirds (Sialia currucoides) were a delight to see.

 

The trail through the Hot Springs complex winds around for more than 2 miles. As I was walking along one area at the bottom of a steep hill, some fellow tourists approaching me said there was a coyote going up the hill further on. I hurried on and caught sight of him as he neared the top.

You reach the Upper Terraces by climbing steep stairs.

There were more trees along the upper pathway with fumaroles (venting steam) nearby.

I did catch sight of some eagles soaring over the large flat springs expanse, but I was happy to go back down to the lower terraces. (Unfortunately, sliding my gloved hand down a wooden railing on the descent gave me a splinter in my palm that I did not manage to get out completely. I had a very sore hand for quite some time: unwanted souvenir!)

I lost track of exactly which places had which names — looking them up on the Internet is not always helpful because the Mammoth features have changed considerably over time. When a hot spring remains dormant for a long time, it will eventually be covered by soil and again create an environment for trees and flowers. To complicate matters, the names of sites have changed over time.

The name Cleopatra Spring has been given to at least three different sites over the years. The original Cleopatra Spring eventually came to be called Minerva Spring. This was, I believe, the current Cleopatra Terrace.

 

When trees are flooded by hot water, they absorb calcium carbonate. This hardens their veins so they cannot absorb “normal” water and nutrients and they harden into what look like petrified trees which may stand for decades.

The hot springs were an early commercialized attraction for those seeking relief from ailments in the mineral waters.

Today, to preserve these unique and fragile features, soaking in the hot springs is prohibited.

Next stop in Yellowstone: The adorable red dogs!

Yellowstone National Park: Part 2A. Mammoth Hot Springs and women in the park

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On 19 May 2022, Joan and I had our first full day in Yellowstone National Park (YNP).  This two-part blog covers what we did in the morning: an excursion to the Mammoth Hot Springs, only 5 miles from the Gardiner/Roosevelt Arch entrance. Shortly after passing through the gate, we caught sight of a river running alongside the road. We had no idea that within 20 days, this river would rise and take out part of the road on which we traveled! The recovery effort has also been phenomenal and the National Park Service has done a great job opening up the park again.

About 10 minutes into the park, Joan called out that she had seen a bear! She pointed to my side of the road and, looking up, I saw the bear on a hillside beside some rocks — she was enormous (perhaps the biggest we saw). She was also accompanied by offspring so I began scrambling to get my camera. By the time we got to a pull-off, they had disappeared behind big boulders and did not reappear. She looked somewhat like the (blurry) bear below that we saw another day when we couldn’t stop (rangers were present and moved everyone along). This spotting was certainly an exciting beginning to our YNP adventure.

This sighting taught me that Joan would be an excellent wildlife spotter even when guiding the car along winding roads with sometimes steep drop-offs at the side! It was cold our first day and we dressed warmly – long pants, sturdy shoes, sweaters, warm jackets and caps.

I was glad that we didn’t have to gallivant around in the long dresses and headgear worn by the first women who visited the park. However, the early female visitors to YNP were no “delicate flowers” as I learned from a book of their writings (Sidesaddles and Geysers: Women’s Adventures in Old Yellowstone. 1874 to 1903. Edited by M. Mark Miller).

Carrie Strayhorn wrote, after her 1882 visit to YNP, that both men and women clambered all over the mineral deposits. She and her party traveled about 400 miles on horseback through the park, leaving her with memories of “the charms of nature which go with the wilderness and wonders in all their primal glory.” Strayhorn visited Mammoth Hot Springs and we made that our first stop. (Photo from “Fifteen Thousand Miles by Stage (1911) by Carrie Adell Strahorn)

At the entrance to the Mammoth site, we were met by brown-headed cowbirds (which we have in North Carolina) and black-billed magpies (Pica hudsonia).

The first thermal feature we neared is called the Hymen Terrace. Old records kept at the University of Wyoming Libraries contained an enthusiastic description of this site.

As our day had started off quite overcast, this thermal did not look very colorful or terribly fascinating, so we moved on to walk along the trail.

Off to the side was a structure of some 37 feet in height (11 m) known as the Liberty Cap.

It received this name in 1871 from people who thought it resembled the caps worn by French revolutionaries who fought for freedom and liberty. It looked a bit more interesting when the skies cleared and the sun appeared.

The Mammoth site’s thermals mainly include hot springs and travertine terraces. Joan generally walks much faster than me and I stop often to photograph, so we split up to see the sights.

As Joan took off down a boardwalk, I stopped to photograph my first view of a Clark’s nutcracker (Nucifraga columbiana). I hadn’t expected to see many birds around the thermals so it was a welcome surprise.

 

Hot springs are Yellowstone’s most common thermal features. They comprise pools, sometimes quite deep, of heated water that may be calm and clear or froth like boiling water.

Rain and snow bring water that seeps into the earth where it is heated. It is still not certain which volcanic heat source is responsible for this.

It might be the magma chamber underlying the Yellowstone Caldera or another smaller place nearby. According to researchers, only 10% of the water in the Mammoth area is above ground at any one time.

What looks like steam arises from the hot springs and this seemed to be especially the case when we were viewing them in colder temperatures. Here you can see how our view of the Palette Spring changed as the day started warming up.

 

Read on to find out what causes the colors in the hot springs!

Frigid days and thirsty birds

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Before my next Yellowstone blog (later today; I’m on a roll after a long posting absence), I wanted to share a tip with those of you concerned about birds when you’re confronted with frigid temperatures.

Here in the Southeastern USA, our late autumn/winter season has so far been a temperature roller coaster. We have gone from afternoon temperatures in the 50s and 60s F° (about 10-15 C°) to morning lows of 10 to 25 F° (-12 to -3 C°).

Carolina chickadee

My porch features some shallow plastic plant saucers that I keep filled with water and a solar fountain. The smaller birds especially like to get drinks there because it is more sheltered than the bird baths out in the yard. However, that water has been frozen and birds began chipping at it fruitlessly to get a drink.

Northern cardinal

As a hiker, I often use hand, toe and body warmers when I walk in the cold. So it occurred to me that I might use them to provide the birds with some liquid refreshment in the cold. Wikipedia explains what they are: “Air-activated hand warmers contain cellulose, iron, activated carbon, vermiculite (which holds water) and salt and produce heat from the exothermic oxidation of iron when exposed to air.” The small packets are shaken to activate them and then they give off warmth for about 8-10 hours.

 

Brown thrasher 

I taped some of the hand and body warmers to the bottom of plastic containers and ceramic dishes and it has worked really well. Even in freezing weather, the warmers keep the water in the containers liquid all day for birds like the tufted titmice below.

 

As you can see from the accompanying photos, a variety of birds have been using them and it’s been rewarding for both them and me! As I write this in front of my porch window, a yellow-rumped warbler stopped by for a drink.

The larger birds like the crows have not come onto the porch but I hope they have strong enough beaks to break through ice in the ponds and puddles.

The coming week, our temperature roller coaster will return. We’re now expecting to have temperatures in the next two weeks reaching about 65 F° (18 C)!!

As you’ll see in the next blog, when my friend and I visited Yellowstone in the spring, we also encountered temperature roller coasters. Some days we started off bundled up for winter and ended with our jackets off in the afternoon. I am immensely grateful that I’ve been able to cope with these climatic circumstances and will maintain my wood pile in case we lose electricity later this winter and I need to use the fireplace.