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One of the first things you notice about a bird is its feathers. Birds have evolved a variety of different feathers. Hummingbirds have an iridescent…

This week on Nature Notes we examine the Monarch butterfly. This particular butterfly is a fascinating specimen. Did you know that over the course of four…

In this week's Nature Notes, Dallas Baxter breaks down the nitrogen cycle.

As spring arrives, the days grow longer, soil temperatures rise, and soil activity increases. Soil is a mixture of minerals, organic matter, gases,…

When it comes to the geology of North America, it doesn't take a scientist to see the West is where the action is. Across this mountainous land, tectonic…

The reintroduction of desert bighorn sheep into West Texas is one of the great wildlife success stories in the state, and in the country. Bighorn used to…

Hundreds of thousands of Mexican free-tailed bats migrate to West Texas each year. On cliffs, tunnels, bridges and caves, these summer residents birth and…

Gambel's quail are among the most striking of West Texas birds. They're richly patterned in gray, brown and white. And the male is crowned with an…

The bite of a kissing bug – also known as a cone-nose or assassin bug – is an unpleasant experience. The insect takes its blood meal at night, numbing the…

By Andrew Stuart The approach to the Devils River challenges the senses. Limestone and juniper-covered plains, in gray and muted green, stretch as far as…