Category Archives: Mammals

Mule Deer Fawn

This week I noticed a mule deer fawn (Odocoileus hemionus) outside my study window. On the other side of the fence was the fawn’s mother. The fawn was agitated because it could not jump over the fence, even though the … Continue reading

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Resident Skunks

Striped skunks (Mephitis mephitis) live in holes dug into the ground, often under old buildings and rock piles. For years, skunks have lived under an old bunkhouse about ten feet from our front door (near Lookout CA – Modoc County). … Continue reading

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Response to Humans

This gallery contains 7 photos.

Yellow bellied marmots (Marmota flaviventris) live singly, in pairs or in colonies of about 20 individuals with a single dominant male. These rodents are found in meadows, valleys and mountainous areas at various elevations (average elevation about 6,500 feet) in … Continue reading

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Early Emergence

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Depending on elevation and exposure, Oregon ground squirrels (Spermophilus beldingi) spend 6 to 8 months a year in hibernation. These rodents normally occur in natural meadows and grasslands, but readily adapt to pastures, alfalfa fields and the margins of grain … Continue reading

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Feeding California Ground Squirrel

A California ground squirrel (Otospermophilus beecheyi) sitting on rock eating looks so cute. This ground squirrel was intently enjoying his meal on the shore of F Reservoir in Modoc County CA. California grounds squirrels are mostly herbivores, although they will … Continue reading

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Microtus Runway

This gallery contains 6 photos.

  On Big Valley Mountain (Lassen County CA) the snow was about 8″ deep. While hiking near the summit recently, Leonard and I discovered two separate runways atop the snow. Each runway consisted of two entrance/exit holes about four feet … Continue reading

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Fisher Tracks

This gallery contains 6 photos.

Leonard and I spent the Winter Solstice hiking on Big Valley Mountain, a block fault mountain in Modoc County CA. Our goal was to again find bear and mountain lion tracks. We did see mountain lion tracks, but no bear … Continue reading

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