Rose Houk

Land Lines

With their bald heads, beady eyes, and habit of shredding messy roadkill, turkey vultures look like birds only a mother could love. But this week we all should look up and tip our hats at the key role they play in the natural world. Saturday September 5 is International Vulture Awareness Day.

We tend to think that rivers flow in a consistent direction: downstream. But over geologic time “downstream” can change. That’s why a place like Unaweep Canyon in western Colorado is such a good place to think about long-term time travel.

Courtesy

When presidents approach the end of a term, an otherwise little-known federal law often hits the headlines. It’s the Antiquities Act, passed by Congress in 1906.

How do we know who lives where? Increasingly, land managers are turning to a fun and educational event to find out: the bioblitz.

Northern Arizona Audubon Society

Each spring, common black hawks soar into Arizona skies from their wintering grounds in Mexico. These large, coal-black raptors, with distinctive white-banded tails, spend the warmer six months of the year here breeding, nesting and raising young.

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