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.
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.