MTPR

Montana Natural History Center

Western Montana's Winter Inversions Explained

Dec 18, 2017
View of inversion over Missoula from Snowbowl
FLICKR USER, EVAN LOVELY (CC-BY-2.0)


Since my recent move to Missoula from the sunny state of Florida, I had experienced many unfamiliar weather conditions. Montana residents might be well accustomed to snow, black ice, negative temperatures, and the season known as winter, but these were still novelties to me.  

'Field Notes:' How 'Moon Dogs' Are Made

Dec 3, 2017
A lunar halo, or moon dog. Ruka, Finland
Timo Newton-Syms (CC-BY-SA-2)

Moon dogs have many names: lunar halos, moon rings, or winter rings. Their scientific name is “paraselenae” and they are made visible by a combination of specific circumstances.

Snow Fleas
FLICKR USER, LINDSEY (CC-BY-2.0)

Every autumn I begin to wonder – where do all the bugs go? Unlike people, and other warm-blooded critters that can maintain a consistent internal temperature, insects cannot. So, you might wonder, what do insects do to survive the cold?

Rough-legged hawk
FLICKR USER, FRANK D. LOSPALLUTO (CC-BY-2.0)

As winter comes to the National Wildlife Refuges of the Mission Valley, we begin to see a whole different group of visitors. And I’m not just referring to the human kind. Strange as it may seem, the National Bison Range, Ninepipes National Wildlife Refuge and Pablo National Wildlife Refuge, along with other lands in the Mission Valley, are where a number of birds choose to spend their winter.

Wolf Moss: Wallpaper Of The World's Forests

Oct 30, 2017
Wolf Moss
Claire Burgeson

Although small and unobtrusive, an estimated 13,000 to 17,000 species of lichen spread across the Earth, from the Arctic to the equatorial tropics. One of those species, more noticeable than most, is Letharia vulpina, a brilliant fluorescent yellow-green, moss-like lichen that clings to the bark and wood of living and dead trees throughout the world, from sea level to timberline.

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