Northern flyer

Joan
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Northern flyer

Postby Joan » Tue Feb 22, 2005 12:12 am

This additional information on the Northern flyer provided by Steve Patterson.
Northerns tend to look scruffier than southerns:
http://www.flyingsquirrels.com/Sabrina/ ... hotos.html


APPEARANCE:
Northern size varies by sub-specie, but all northerns are bigger than southerns - at least 50 percent by weight and length. Sabrina is the relatively large sub-specie Glaucomys sabrinus sabrinus and her adult weight will be in the 140 to 150 gram range, compared with Glaucomys volans volans, whose adult weight in the wild would be in the 70 to 80 gram range. G.s. yukonensis can weigh up to 175 grams. A monster!

There are many differences between the two species, but the most defining characteristic is the colour of the belly hair where it meets the skin. Southerns are creamy white to the base, whereas the Northerns' belly hair turns to slate grey near the base.

Pelage can vary tremendously from animal to animal. We use the Munsell Soil Colour Chart system to determing pelage colouration.

Trivia: Many sub-specie of Northern will grow extra fur between the toes during winter months, to better cope with cold temps.

DISPOSITIONS:
More sedate, bigger, and less aggressive that Southerns. From a behavioral aspect,the northern is known to be a more passive participant in the game of life...meaning, they are not anywhere near as aggressive as the southern. To anthropomorphize a little, think of the southern as your typical "Type A" climb-the-ladder type of personality, and the northern as the laid-back hippie-peacenik of the '60s!

In the wild: northerns can be more fastidious in their toilet duties than the southern. Southerns are more prone to bite when handled. Southerns can be quite fearless when "protecting" their litters (i.e. when I am handling offspring during nestbox checks).

VOCALIZATIONS:
I have heard myriad sounds from Northerns and Southerns - a very subtle "seep, seep" (IMHO these sounds are communicative in nature - to other flyers in the "foraging group"), chuckles, chortles, squeaks (two kinds of squeaks - "alarmed" and "pissed off"). Most definitely, the southern is much more vocal, or shall we say, "expressive"? Northerns are "verwie, verwie quiet", to quote Elmer Fudd, compared to the southern. Sabrina has not uttered a sound since I have owned her.

FOOD HABITS:
Northerns are known to be far more mycophagous (mushroom-eating) than Southerns, according to available literature. Many papers have been written on the Northerns' penchant for hypogeous, mycorrhizal fungi. In the west, certain species of fungi and lichen are the staples of their diet. Flyers (and other forest-dwelling squirrel species) will readily consume fungi that would kill a human (or make violently ill). Northerns will eat insects, flowers, pollen, buds, fruit, seeds, nuts, bird eggs and nestling, carrion... - pretty much what Southerns will eat in the wild. It was once thought that both species of flyers were food "specialists" in the wild - now it is generally accepted that they are food "generalists", and "opportunists", in the wild.


Other info in Northern can be found at:

http://bss.sfsu.edu/holzman/courses/Fal ... lyings.htm
(San Francisco State University Department of Geography)

http://animaldiversity.ummz.umich.edu/s ... rinus.html
(University of Michigan Museum of Zoology)

http://www.gi.alaska.edu/ScienceForum/ASF13/1306.html
(Alaska Science Forum, Hang Gliders of the Alaska Night: Northern Flying Squirrels Article #1306
Last edited by Joan on Mon Jan 28, 2008 6:06 pm, edited 6 times in total.
"A lot of people spend time talking to the Animals, but not that many people listen. That's the real problem! ... Winnie the Pooh

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Wanda
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Postby Wanda » Tue Feb 22, 2005 10:30 am

Sounds like Northern Fliers can be even sweeter than Southerns! How can that be? Hmmmmm. How can I get some of those :?:
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Postby krups1110 » Thu Feb 23, 2006 7:20 pm

The only place that I have ever found Northern Flyers available was at Ratkateers Rodentry.
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BreezieGirl
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Postby BreezieGirl » Thu Feb 23, 2006 11:25 pm

Yeah, same here. I thought I read once that there weren't as many Northerns as there were Southerns, is that right?
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Postby Joan » Fri Feb 24, 2006 12:32 am

"A lot of people spend time talking to the Animals, but not that many people listen. That's the real problem! ... Winnie the Pooh

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K0sM0s001
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Postby K0sM0s001 » Tue May 09, 2006 12:02 am

Sounds like what I'm really interested in is a Northern Flying Squirrel :) The sound really awesome!
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Re: Northern flyer

Postby pogue.sam » Thu Jul 21, 2011 3:48 pm

Are Northern and Southern flying squirrels reproductively viable?

Joan
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Re: Northern flyer

Postby Joan » Thu Jul 21, 2011 5:57 pm

Do you mean do they interbreed? As far as I know, there is no proven (DNA) off spring.
"A lot of people spend time talking to the Animals, but not that many people listen. That's the real problem! ... Winnie the Pooh


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