Featured Species

Our office works to conserve declining species and recover threatened and endangered species and their habitats. Our office has also been actively involved with the conservation and recovery efforts of Texas mussel species, Houston Toad, among others. We use the Endangered Species Act to preserve and protect important habitat that imperiled species depend upon for their survival.

To access the Houston Toad, freshwater mussels, karst invertebrates, or Golden-cheeked Warbler documents, visit our library.

A golden-cheeked warbler perches on top of an Ashe juniper tree

The golden-cheeked warbler (Dendroica chrysoparia, GCWA) is a small, neo-tropical songbird weighing about 10 grams (0.34 ounces) and is about 12 centimeters (4.7 inches) long (Pulich 1976, pp. 126-128). Adult GCWA males have yellow cheeks outlined in black with a thin black line through each eye...

FWS Focus
Houston toad on a bed of pine needles

The Houston toad was first described by Sanders (1953) based on specimens collected from the area of Houston, Texas. The species is a small to medium-sized (5 to 8 centimeters [2 to 3 inches] long) amphibian covered with raised patches of skin that resemble warts. The Houston toad is generally...

FWS Focus