North Woods Naturalist


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Black bear birth success -- brown fat
-True hibernators and especially black bears, are giving birth this time of year. They have a special feature that helps them birth in winter.
Calm and melodious pine grosbeaks, back for winter
-Unlike their raucous evening grosbeak relatives, pine grosbeaks are calm, melodious and are generally better mannered.
Bobcats are back in the neighborhood
-The Arrowhead has three large cats, and one of them seems to be more apparent this winter.
A look at the end of the natural year
-We’re coming to the end of the year, and there are plenty of changes and activities to look for when we’re out on winter walks.
American mink -- one of our busiest weasels
-There’s a very busy member of the weasel family that populates our lakeshores and streams.
What our local drought conditions mean to the Arrowhead
-This year, particularly the last few months have been dry in Northern Minnesota. Dry to the point of drought.
Fascinating flying squirrels
-They’re small, secretive, soft and they can fly – or at least glide a good distance. Jay Andersen of WTIP North Shore Community Radio spoke to local naturalist Chel Anderson about no
Autumn willows -- keeping their winter pom-poms
-The woods and wetlands are full of willow species. One of them keeps its catkins well into winter – and that’s a good way to identify them.
The story of Lake Superior herring
-When Scandinavian immigrants came to the north shore, they brought with them remembrances of herring fishing in the oceans.
Evening grosbeaks -- are numbers declining or is it a cycle?
-For years evening grosbeaks have been common at local birdfeeders. Not so much recently. Is the decline just a cycle or a major change for these colorful birds?