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Why some hardwoods hold onto their leaves

By Rosemary Conroy on Friday, March 25, 2005.

You may have noticed that some Beech and Oaks trees hold on to their dead leaves in the winter. Rosemary Conroy points out that it may not be an accident.

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Amphibian Crossing

By Iain MacLeod on Friday, March 18, 2005.

During the next several weeks, many amphibian species such as the wood frog, spring peeper, American toad, and spotted salamander will be moving from woodlands to temporary ponds and wetlands as part of their annual breeding migrations. However, a countless number of them will be killed crossing roads to get there.

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Owls in Love

By Rosemary Conroy on Friday, March 11, 2005.

Owls are feeling amorous these days and they're happy to tell any other owl who'll listen. Here are a few hoots you can listen for.

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Fir Waves

By Iain MacLeod on Friday, March 4, 2005.

Have you ever looked up at a mountain ridge and noticed a band of dead fir trees just beneath the summit? That wave of living and dying trees is somethign that changes and evolves over a period of many years.

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