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In the beginning I saw neither hide nor hair of the animal known as the American marten. Then I found a suspicious dropping, and then I glimpsed the animal in a video in my own backyard. Still, it took years to set eyes on my first wild marten. Hear here my chronicle.

Human music may well have been inspired by the music of birds. But where did birds get the idea? Recent research findings suggest that songbirds, also known as perching birds or passerines, trace their ancestry to the land of kangaroos.

Life brings its humbling moments. For me, a leader of bird walks, one came recently when a sparrow turned up, and I had no idea what kind it was. What to do? I confessed my ignorance and invited my companions to peer through binoculars and join me in solving the mystery at hand.

Spring brings the eyes a feast of color, and after a long, black-and-white winter, they're hungry for it. Some of the finest color of the season comes to us on the wings of butterflies. Listen and meet the mourning cloak, the comma, and the spring azure.

Have you ever injured yourself by accident, felt stupid afterward, and found yourself the brunt of jokes? I have. My story involves a crowd of kids and a very large and menacing blue crab. Hear it here.

Believe it or not, there are common insects that build armor around themselves like turtles grow shells. As larvae they live in streams, ponds, and lakes and are known as caddisflies.

Build a bird house for bluebirds and they will come, or not, depending on intangibles known only to the birds. In our yard in the Adirondacks we've created a virtual country club for bluebirds, yet still the birds tend to come, survey the real estate, and move on. Why? Listen and join me in wondering why.

In the Adirondacks and throughout most of eastern North America, we know spring has arrived when the red maple buds pop. Did you know that some red maples are girls and some are boys, and that you can tell the two apart from a car speeding along the highway? Here hear the details.

Riddle: What makes a marsupial a marsupial? Hint: it has little or nothing to do whether the animal has a marsupium, or pouch, for carrying its young. In fact, two mammals that have pouches for carrying young are not considered marsupials. Confused? Listen and join in on the confusion.

'All Things Natural' Celebrates 100th Episode! Listen here as Mr. Buck Tooth, "Rodent of the Year," accepts his honor at a meeting of the American Association of Gnawing Rodents.

Pets bring us joy and the pleasures of companionship. And sometimes they bring us pain. Listen to a horror story of a house---my house---invaded by hordes of hungry mites.

Start looking at birds, and you have to master a whole new vocabulary of lingo. Pretty soon you'll be talking about wingbars, eye-lines, eye-rings, throat patches, rump patches, and if you're a real voyeur, crissums. To know birds, you have to get your mind around the details.

Before there was James Bond OO7 the secret agent and ladies' man, there was James Bond the distinguished ornithologist and expert on birds of the West Indians. The real Bond met the creator of the fictional Bond on the island of Jamaica, and the rest is ornithological and cinematic history.

Everybody knows the bird, but most us have never seen it in the flesh: the great white owl of northern North America and Eurasia known as the snowy. Snowy owls used to be cigar salesman. Today, they gain appreciation as the most striking and massive of American owls.

You don't have to be crazy to believe in the existence of Little People. They exist. We call them penguins. Join me in reminiscing about wild penguins I have known.

If you have the privilege of getting close to a mink, it'll stink. But don't let the smell scare you off. These fierce, wide-ranging members of the weasel tribe offer fine entertainment to those who watch them.

If the history of medical science can teach us one thing, it's this. Don't underestimate dirt. From ordinary backyard soil and composted compost have some of the world's most useful wonder-drugs. Tuberculosis, a world-wide plague that killed and tormented untold millions, proved no match for the chemical weapons produced by a widespread microbe in plain old ordinary dirt.

We may be all cut from the same cloth, yet every one of us is one of a kind. The same holds for wild animals. In a given family of wild owls, robins, or raccoons, no two individuals share the same personality. Vive le difference!

Men are often drawn to women by their eyes. So it was with me as I was getting to know my wife, Debbie. In this case, there was more to it than just the color and depth I found in her luminous blue orbs. It also was what they saw.

On a cold winter day, I go out, then come in. Between the start and finish lie ninety brisk minutes of exercise and illumination. Join me!