Tag: grizzly sow

Grizzly Bear

Grizzly Bear, Yellowstone National Park

A mother grizzly bear walks through the south end of Swan Lake Flat.
A mother grizzly walks through sage.

A well-known place in Yellowstone to look for grizzlies is a large open area called Swan Lake Flat.  It is especially good for seeing grizzly sows with cubs.  I have often seen grizzlies there, but they have always been too far away for good photos.

In May 2015 I got lucky.  I was approaching the flat from the south when I saw a flash of brown out of the corner of my eye.  I stopped and saw a mother grizzly with two two year old cubs walking parallel to the road about 75 yards away.   Unfortunately, they were heading in the opposite direction.  By the time I got the car turned around they had disappeared into some trees.  I drove to a spot that looked like it would be a good place to wait for them and got ready.

As luck would have it, after a minute or two I noticed that there was a very young elk calf between me and where I hoped the bears would pass.  It was standing in a little clump of trees.  Hmm.  Bears love elk calves.  In fact, grizzlies and black bears kill about 50% of the calf crop each year.  What if they see/smell the calf and charge toward it (and me)?  That’s as far as I got in my thinking when the bears came into view.  They didn’t detect the calf and kept going.  The calf got to live another day and I got my photo.

 

Grizzly Bear

Grizzly Cub at Grand Teton National Park

Photo of 1.5 year old grizzly cub on its own.
Abandoned by Its Mother

I haven’t ever gone through Grand Teton on my way to or from Yellowstone, but I was leaning toward doing that on the way home this year when someone in Yellowstone told me of a spot to photograph a great gray owl.  That was all I needed to hear to make up my mind.  I didn’t find the owl, but this grizzly cub made up for it.

It is one of three cubs born to famous #399 a year and a half ago.  399 has become famous because of her habit of living with her cubs close to roads and humans.  Some believe she does this because boars are less likely to frequent such areas and thus the likelihood of a boar killing her cubs is lessened.  The downside to this is that her cubs can pick up the same habit and bears that are comfortable near humans and roads is not a good thing.  This cub is spending a lot of time close to the road at the intersection with Pilgrim Creek.

It’s not normal for a grizzly sow to give her cubs the boot at one year of age, but that’s what 399 does.  NPS says 399 was abandoned by her mom at that age and thus to 399 that’s what a mom does, I guess.  This cub’s chances of survival would seem to be lessened somewhat without the extra year of protection and education mom could provide.

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A Week at Blacktail Pond (Continued from Yesterday)

Yesterday’s post ended with mama bear attacking her cub.  While I said that I thought it was probably because she was agitated over the wolf having been at the carcass, there is more to it than that.  The cub is 2 years old (actually 21/2 years old) and from mom’s point of view it’s about time for the cub to hit the road.  Biologically, she’s ready to mate again.  This fact is not lost on nearby male grizzlies.  Here is one suitor who has come calling.  The cub moved off when he came on the scene.

A grizzly sow and boar stand near a bison carcass in Blacktail Pond.
Grizzly Sow and Boar, Yellowstone National Park

The next time I saw the sow and boar they were in the act of mating a bit beyond the pond.  The cub was in the vicinity of the pond, but making sure it kept a good distance between itself and the boar.

As I mentioned before, there were other scavengers who benefited from the misfortune of the two bison.  One was a coyote who got some meat from the carcass on the east side of the pond and promptly left.  It probably felt that with grizzlies and wolves around it could find a better place to enjoy a meal than at Blacktail.

A coyote leaves Blacktail Pond with some meat from one of the bison that died in Blacktail Pond.
Coyote, Yellowstone National Park

I mentioned earlier that bald eagles and ravens also benefited from the misfortune of the bison.  I wasn’t sure I had any photos of them, but I looked and found one.

A raven harasses a bald eagle as it leaves Blacktail Pond.
Raven and Bald Eagle, Yellowstone National Park

This photo was quite underexposed probably due to the surface of the pond.  It also has some noise.  Note the blood on the beak of the eagle.

In addition to the wildlife, Yellowstone visitors benefited from the demise of the bison.  The Blacktail Pond area was crowded with visitors, and photographers in particular, for more than a week.

For the most part, these photos were taken under less than ideal conditions due to poor lighting and excessive distance.   The bear and wolf photos were shot at about 175 yards.   In my experience you can’t get good quality images at that distance.  The equipment used was as follows:  Canon 500mm f/4 lens; Canon 1.4 TC; Canon 7D.  I should also mention a book I have found to be very valuable in understanding bears in general and Yellowstone’s in particular.  The book is “Yellowstone Bears In the Wild.”  The author is James C. Halfpenny.  You can find it at almost any book store.  If you’re in Gardiner, Montana, you can pick up a copy of Jim’s book at The Paradise Gallery.  If you go there, you should also check out the wildlife photos on display by several wildlife photographers, including yours truly.

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A Week at Yellowstone’s Blacktail Pond

As I mentioned in my last blog, there were two bison carcasses in Blacktail Pond in the spring of 2010.  The first scavenger I saw there was a coyote who was standing on the carcass which was in the water next to the east edge of the pond.  However, it was the carcass in a narrow channel on the west side of the pond that became the center of attention for scavengers as well as park visitors.  The first species I saw feeding on that carcass was a grizzly sow with a two-year-old cub.  Here the cub nuzzles its mother.  It’s May 20.

A grizzly cub nuzzles its mother at Blacktail Pond.
Grizzly Sow and Cub, Yellowstone National Park

The sow and cub stayed on a ridge above Blacktail when they weren’t feeding on the carcass.  Another animal that I saw feeding on the carcass more than once was a lone wolf.  Here he is the next day standing at the narrow channel.  The bison carcass has slipped back into the water and is just under the surface.

A gray wolf stands on the edge of Blacktail Pond.
Gray Wolf, Yellowstone National Park

This wolf worked as hard as the bears to pull the carcass out of the pond and I was surprised that he seemed to get the carcass about as far out of the pond as the much larger bears, although in fairness to the sow she might have done better without her cub’s help because he always pulled at right angles to mom.

One afternoon the wolf howled after feeding which brought the sow and cub running full speed from the ridge above the pond.  Here is a photo of mom and cub right after they arrive at the carcass.  She is really “amped up,” over the wolf’s howls.  When the cub approached the carcass as she was trying to pull it up on the bank she attacked it.  More to follow.

A mother grizzly attacks her cub near a bison carcass at Blacktail pond.
Grizzly Sow Attacks Cub, Yellowstone National Park.