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My hope for this expedition to the San Rafael Swell was to find flowers on scarlet monkeyflower, which grows in hanging gardens on vertical walls.

Native Americans have been associated with bison in North America for more than 15,000 years.

Mormons used the plant to make a caffeine-free hot drink, and Native Americans used it to relieve congestion.

Aspen boletes build physical connections for mutualistic exchanges with quaking aspen.

The beautiful male emerged in October, eager to mate but destined for disappointment because he emerged too late in the season, just an example of natural selection at work I received an invitation to photograph a black swallowtail butterfly that had just emerged. It would linger only a short while...

One puzzle leads to another question, as yet unanswered, about the cause.

Beavers may appear to be one of the most sedentary of species, living in a secure den or lodge in a pond with all of their food within a short waddle, but now, in Boulder Canyon and in Alaska, it is evident that they are on the move.

The wind that sculpts the stones also conspires with plants to transform a valley floor to a landscape of mounds with embedded plants.

No doubt about it, sphinx moths are extraordinary; extinction is forever, and it would be tragic to lose such a remarkable group of moths.

The communities of pollinators and potential root hosts respond to climate change and the ever-increasing impact of humans on natural habitats.