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A Bald Eagle pair built an auxiliary nest 1,000 feet from the other nest, still intact. Time will tell if the pair moves into the new nest for egg...

Wisconsin has had wild turkeys scratching out a living for centuries. In the late 1800s these birds were common in southwest Wisconsin but then...

The woolly alder aphid is now in season. If maple trees or alder shrubs are about, you've seen them, little tufts of cotton-like material seemly...

Many of fall's red pigments are anthocyanins, which give some plant parts reds, purples and even pinks. A shrubby maple, mountain maple to some,...

It is not enough to simply say adult male Bald Eagles weigh 25 percent less than female Eagles. Biologists say this feature is an example of reverse...

It is winter's beginning, but still the cold temperatures, lack of blooms, and absence of sweet smells of flowers or falling rain have some yearning...

Birds have two legs but some species commonly stand on just one leg, usually to rest or warm the other one.   Recently, when an immature Eagle flew...

It is uncommon to hear a winter day, one with a cloudless, blue sky, particularly after a snowfall, being described as a bluebird day.  But that is...

Like many woodpeckers, Yellow-Bellied Sapsucker males and females differ by the amount of red on their heads.  Females have white throats and red...

There is more than meets the eye when peering at a chunk of potential furnace wood.  With a sledge and wedge or a mechanical wood splitter, the...

The white-tailed deer mating season is undoubtedly the best time to be a deer viewer or photographer.  Bucks, in particular, are now most active, at...

Wisconsin's Timber Rattlesnake population is a protected wild animal group, meaning the snake cannot be collected, dead or alive.  Of course,...

Three organisms are now working together to make some birds sick enough to vomit.  Common Milkweeds are beginning to bloom.  This increases visits...

Most birds, large and small, function better with dry feathers.  Very few birds fly for cover when it rains though.  As soon as the rainfall...

An early fledging Bald Eagle, hurried by a windstorm in mid-June which put the bird on the ground, unable to fly far or high.  The bird remained for...

House Finches have been received by most feeders more so than another visitor who stayed with us.  This finch, sometimes confused with a Purple...

High on some outdoors enthusiasts lists is searching and finding shed antlers.  Yes, deer have antlers, not horns.  Antlers drop annually and...

Fox Sparrows are somewhat non-descript, but in flight their rufous tails show and that may be the origin of the connection to a fox, or at least a...

Female Cardinals are as attractive, some say even more so, than the all red males.  She is a bit more subtle with her tannish and subdued red...

When temperature and sunlight are favorable in February, maple tree sap begins to flow in a tree's wood, just inside the bark.  If there is a...

Glowing animal eyes can be eerie, but also quite interesting if we try to determine whose eyes are there shining back at us.   Many animals who are...

Wisconsin's smallest tree squirrel carries a name often incorrectly applied to our fox squirrel.  The true red squirrel is a miniscule image of the...

Few things in nature are as uncommon as a double banana.  The cause is unclear but someplace along the flower and subsequent fruit development, one...

Calling out a plant name while walking with a companion in high vegetation or remote rustic areas may bring the same reaction as yelling "fire" or sim...