The Mountain Log

A week-by-week look at what is happening in nature.

A special thanks to Virginia Barlow’s Ginny’s Calendar in Northern Woodlands Magazine.

Photo By Nick Harris1

Week 5

The familiar bird’s-nest-shaped seed heads of Queen Anne’s lace contain emergency food for birds / Blue jays may be cleaning out your feeder, but they are sharp lookouts and will sound the alarm if any danger is sighted / After a few days, crusted snow will be littered with an interesting collection of seeds, often from birches, basswood, and hemlock / The tapering shape of balsam firs allows them to shed snow when the load gets too heavy


Photo by qmnonic

Week 4

Redpolls often travel in large flocks, sometimes of over 100 birds / Both woodland jumping mice and meadow jumping mice hibernate below the frost line, curled in tight balls / Courtship activity of great horned owls gets underway / Chickadee flocks have a hierarchical structure and are stable, unlike the loose-knit flocks of most other small birds / The pyramidal old flower stalks of meadowsweet last through the winter, shedding small seeds over many months


Photo By Wisconsin Department of Natural Resources

Week 3

Now a black bear’s heart will beat as few as five times per minute, compared to 60 times a minute when it is not hibernating / Gray treefrogs hibernate not far below the surface, under litter, logs, or rocks. Because they produce glycerol as antifreeze, they can tolerate a temperature of about 21°F for at least five days / In tunnels beneath the snow, meadow voles, shrews, red squirrels, deer mice, and moles are protected from bitter winter weather.


Photo by withrow

Week 2

Most mammals sit tight during a snowstorm, tucked in their dens, warm and dry. Wait two days and the woods will be full of their tracks / Look for the paired tracks of fisher zigzagging along wooded edges and in the woods / Northern flying squirrels prefer evergreen woods; southern flying squirrels prefer hardwoods / The snowshoe hare is well named. Its furry feet are very large for its weight / A raven may commute over 50 miles daily to a good food source


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