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Videos and animations related to biological research including animals, disease, invasive species, and more.

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• Status of Grizzly Bears in Northwest Montana
  The size and distribution of grizzly bear populations in northwest Montana has just been released by the USGS, so research biologist Kate Kendall bring us up to speed on the findings....
• Sea Otter B-roll
  Various video footage of sea otter researchers, sea otters in their habitat, and scenery....
• Lead Shot and Sinkers: Heavy Implications for Wildlife
  Millions of pounds of lead used in hunting, fishing, and shooting sports wind up in the environment each year and can threaten or kill wildlife, according to a new scientific report. Sarah Gerould, head of the USGS's Contaminant Biology Program, talks with Dr. Barnett Ratter, a USGS scien...
• Grizzly Bear with Cubs Charges Wolf
  A wolf feeds on a road-killed elk carcass in the morning. A grizzly bear with two cubs feeds on the carcass in the evening. A grizzly bear will chuff and pop its jaw when it feels threatened. Sometimes it will also charge at the threat, usually veering off or stopping short -- a bluff charge. Ear...
• Black Bear Rubbing Tree and Attacks Camera
  Black bear rubs on a tree regularly used by bears in Glacier National Park then approaches, sniffs, and swats the camera. ...
• Deer and Fawn in Bear Hair Trap
  Deer with a fawn passes by and through a bear hair trap. ...
• Grizzly Bear Rubbing Tree
  Grizzly bear vigorously rubbing on a tree regularly used by bears in Glacier National Park....
• Grizzly Bear Claws and Licks Camera
  Grizzly bear paws and licks one of our remote cameras and eventually pushes it off the tree. The camera container had a screw top lid that moves as the bear paws at it; the camera was not damaged (Make sure you have your sound on for this)....
• Grizzly Bear Rubbing Tree and Log
  This is two video clips captured at the same site from two different angles. The rub trees are on one side of the trail and the excavated log is on the other side. Bears that rub on one or more of the trees often visit the log as well. The clips show a grizzly bear rubbing on a tree regularly use...
• Grizzly Bear and Cub in Bear Hair Trap
  Grizzly bear and her cub visit a bear hair trap in Glacier National Park. The bear leaves hair samples snagged on the barbed wire as it enters and exits the site. Both bears vigorously rub in the lure pile which is a pile forest debris that had a liquid scent lure poured on it....
• Grizzly Bear Rubbing Tree
  Grizzly bear sniffs and rubs on trees regularly used by bears in Glacier National Park then visits a log off screen and returns to the trees to rub again....
• Fat Grizzly Bear Digging at a Log
  Grizzly bear rubbing, laying on, and excavating a decaying tree in Glacier National Park. The log shows long-term use by bears....
• Wolves in Glacier National Park
  Eight wolves walk past a bear rub tree in Glacier National Park....
• Wolverine in Bear Hair Trap
  Wolverine moves through a barbed wire bear hair trap. The wolverine is smaller than a bear and does not snag any hair on the barbed wire....
• Black Bear Cub Rubbing on a Tree
  Black bear cub awkwardly rubs on a bear rub tree regularly used by bears in Glacier National Park....
• Herd of Elk in Glacier National Park
  Elk walk past a bear rub tree in Glacier National Park....
• Pine Marten in Glacier National Park
  A pine marten climbs up and down a tree and onto the remote camera box. The camera is pointed at a bear rub tree....
• Fox in Bear Hair Trap
  A red fox visits a bear hair trap site in Glacier National Park....
• Dancing Grizzly
  Grizzly bear vigorously rubbing on a natural marking tree in Glacier NP, Montana. Rubbing is a form of chemical communication. DNA analysis of hair collected from natural rub trees is used to identify individual bears and census the population....
• Rub and Look Black Bear
  Black bear rubbing on a marking tree regularly used by other bears in Glacier NP, Montana. DNA fingerprinting of hair collected from natural rub trees is used to census the bear population. ...