Sentences with phrase «bear hair samples»
The Respondents, Jonathan Postma and Raphael Roy - Jauvin are passengers injured in a helicopter accident while out collecting grizzly bear hair samples for the Yukon Government.
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DNA samples taken from grizzly bear hair may help resolve a bitter dispute over the size of the bear population in and around Wyoming's Yellowstone National Park.
Analysis of isotope ratios in hair samples showed how much of the bears» diets came from human food.
Researchers at the University of California, Santa Cruz, were able to estimate the proportion of human - derived food in bears» diets by analyzing chemical isotopes in hair and bone samples.
Contemporary hair samples were collected during bear management actions and from barbed - wire hair snares deployed throughout Yosemite.
Previous genetic analyses of a couple of «yeti» hair samples collected in India and Bhutan suggested that a stretch of their mitochondrial DNA resembled that of polar bears.
But two hair samples point to a possible new and (you guessed it) mysterious species: a bear roaming the Himalayas that may be related to ancient polar bears.
Finally, information on the bears» hormonal states is extracted from the samples: Cortisol gives a picture of stress levels, thyroxin provides an index of protein depravation or starvation, and sex hormones provide insight as to whether a female had cubs in the past year — all this from a clump of hair.