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    Katmai

    National Park & Preserve Alaska

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The Resiliency of Bears_140713

July 27, 2013 Posted by: Michael Fitz

Watching the bear cams on Explore.org gives anyone with internet access an opportunity to experience the dynamics of a bear’s world. We get to observe the playfulness of cubs, the intimacy of mating, and the satiation of hunger when a bear eats a salmon. However, when we watch the cams, we will also see some unpleasant aspects of the bears’ world.

Cubs and younger bears may be killed by a larger, more aggressive bears. Older bears and injured bears may struggle to catch enough salmon to survive a long winter and lean spring. Injured bears often appear to be in obvious pain. These are difficult scenes to watch, and over the past few days one bear at Brooks Falls has obviously struggled with a significant injury. It may be difficult to watch this bear struggle with his impaired mobility, but like other injured bears he is also giving us a glimpse into the resiliency and adaptability that bears posses.

420-with-a-broken-jaw-in-2007-(2)

In July, 2007, #420 arrived with a broken jaw and large open wounds on each side of his body.   Before these injuries, he was a fairly dominant bear often stealing fish from other bears and/or displacing them from preferred fishing spots. With his broken jaw, he was no longer very dominant. Although smaller bears did not challenge him, he would not challenge other bears. His injuries lowered his position in the Brooks Falls hierarchy.

Around the same time in 2007, #435 (Holly) arrived with a yearling cub. The cub was limping noticeably, and it would put no weight on one of his front legs. With impaired mobility, this bear family was competitively disadvantaged. #435 would not visit Brooks Falls to fish and the cub would not be able to flee any threats.

Many people wondered, will these bears survive and will someone help them? Park rangers and biologists will not intervene to help an injured animal. “Bears injured naturally will not be tranquilized for veterinary care” (Katmai National Park Bear-Human Conflict Management Plan, 2006). Injured bears will also not be euthanized unless they pose an imminent threat to human safety. Will they survive? That was something, at the time, we could not answer.

Both #420 and #435 plus yearling modified their behavior to deal with the injuries. #420 would not steal fish in early July, but he still used his size to maintain a good fishing spot at Brooks Falls. By gingerly chewing salmon on the unbroken side of his mouth, he was able to maintain his weight and size. In 2009 and 2010, he was one of the most dominant bears at Brooks Falls.

#435 reacted to her yearling’s limited mobility by fishing around the mouth of Brooks River where larger, more aggressive bears are less frequently seen. She also appeared to move more slowly to allow the injured yearling to keep pace. By September, 2007, the yearling’s leg had healed. In 2008, the former yearling cub was seen as an independent bear and no sign of the injured leg. He is now #89 (Backpack) a young adult male who is frequently seen on the Falls and Lower River cams.

This year #469, is frequently seen slowly moving around Brooks Falls. His left hind leg and foot are swollen. The bear moves slowly, using its three other legs as crutches. Even when standing still, the injured leg bears no weight.

We don’t know how this bear was injured, nor do we know when he was injured. Since 2001, he has only been seen in the fall, never in July. Perhaps this change in habit is a result of the injury. #469 may have to take additional risks around other bears and people at Brooks Camp in order to eat and heal.

These are three bears with three stories to tell. #420 and #89’s stories show how bears are able to modify their behavior and movements to deal with injury. These are adaptable and resilient animals. Of course, we don’t yet know the outcome of #469’s story, but he may yet provide us with another example of a bear’s remarkable ability to adapt, heal, and survive.


3 Comments Comments Icon

  1. Teena - Yorktown, VA
    September 12, 2013 at 03:55

    My husband and I love to watch the bear cams! One bear, in particular, we watch for. From the pictures I've seen posted, I think someone named him Otis. I was wondering...he seems to sit there all day and I never see him catch anything. Does he have other eating options? Here I am sitting in Virginia worrying if the poor thing will get enough to eat!

  2. CJL - Longwood, FL
    September 03, 2013 at 02:46

    I'm glad I headed over to this blog today to read the info about injured bears. I regularly view the Explore.org livecam at Brooks Falls and was alarmed by something I saw today. The Disqus comments thread was down and there as no way to post so I sought an alternative. Even the Ustream comments had lots of folks alarmed about a seemingly injured bear and they didn't know what to do. Now, after reading the intro here I see the bears are monitored but not interfered with. The poor big fella seemed to have an injured right inside-elbow and he seemed to not be putting weight on it. But I'm no expert...I just know I've seen this guy many times, I even saw him nail a salmon yesterday with great speed and accuracy. Today he seems hurt so I feel better just posting it here. Now I understand the NPS protocol. Thanks for listening!

  3. phyllis - winnsboro, louisiana
    August 15, 2013 at 09:01

    They are beautiful animals ,you hate to see them suffer but this is the circle of life . I have enjoyed the webcams so much. Thank you

 

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Did You Know?

Fording Windy Creek in the Valley of Ten Thousand Smokes

The only bridge in Katmai spans the Brooks River. All other rivers in the park must be crossed on foot or by boat. Be careful as heavy rains or melting snow can quickly cause the rivers to become uncrossable.