These documents provide the rationale behind the determination keys for threatened and endangered species within the Arlington, Texas Ecological Services’ area of responsibility. The determination key is a logically structured set of questions to assist a user in determining whether a proposed...

Candidate Conservation Agreement with Assurances (CCAA) for the Texas Kangaroo Rat between Texas Parks and Wildlife Department and the U.S. Fish and Wildlife Service and Southwest Region Screening Form for Low-Effect CCAA Determination and NEPA Environmental Action Statement documents are now...

The U.S. Fish and Wildlife Service (FWS) launched the post-delisting monitoring period for the black-capped vireo, which was removed from the List of Endangered and Threatened Wildlife on May 16, 2018, due to recovery. The FWS, in cooperation with our partners, developed a post-delisting monitoring...

This collection includes line shapefiles for proposed critical habitat for the Louisiana pigtoe and Texas heelsplitter and the environmental assessment for the designation of critical habitat for the Louisiana Pigtoe (Pleurobema riddellii).

Here you can find resources from across the Fish and Wildlife Service about threatened or endangered species.

This library collection contains documents pertaining to the "Candidate conservation agreement with assurances for six species in the Trinity River Basin".