edwardsii, or the desert massasauga ... can make it difficult to tell Butler’s wolf snake apart from species of krait. This ...

Oases in the desert, Southwestern streams are among the most delicate ecosystems on the planet. In these shallow, ephemeral waters, species like the Mexican garter snake once carved out a precarious ...

Dependent on specific ecological requirements in an area that's been heavily altered by agriculture and urban sprawl, the species has lost almost three-quarters of its habitat in its core range. And ...