Rose Houk

Land Lines

Sometimes what looks like a white plastic bag snagged in the top of a pine tree is only a plastic bag. Sometimes it’s something else – a bag of bugs, you might say.


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.

Pages