ESA

The Endangered Species Act 101: Habitat Conservation Plans

Threatened and endangered species on private lands need protection too. Megan Evansen, our Conservation Science and Policy Analyst explains how Habitat Conservation Plans work.

Update to the U.S. Fish and Wildlife Service endangered species program FY 2022 request

The FY 2022 update on the funding needs for the U.S. Fish and Wildlife Service (FWS) endangered species program, building on CCI’s funding analysis from 2019 , where we found that the FWS receives less than half of what is needed to run the ESA …
Lesser prairie-chicken habitat changes since court delisting image.

Lesser prairie-chicken habitat changes since court delisting

The conservation status of the lesser prairie-chicken (_Tympanuchus pallidicintus_) is being assessed by the U.S. Fish and Wildlife Services as part of the Species Status Assessment process, which will be used to make a listing determination for the …
NWR Spending Dashboard image.

NWR Spending Dashboard

This small dashboard illustrates funding across National Wildlife Refuges in the U.S. and is based on annual report data from the U.S. Fish and Wildlife Service. Check it out to discover the amounts and locations of expenditures for growing the …

The Endangered Species Act 101: Habitat

Wildlife depend on habitat to survive. Megan Evansen, our Conservation Science & Policy Analyst, looks at the Sierra Nevada bighorn sheep as an example of how endangered species rely on critical habitat for food and shelter.
Defining habitat to promote conservation under the ESA image.

Defining habitat to promote conservation under the ESA

The Supreme Court’s opinion in Weyerhaeuser Co. v. United States Fish and Wildlife Service, 139 S. Ct. 361 (2018), raises important questions about the scope of the Endangered Species Act's protections for critical habitat. In a short ruling, the …

Limited patterns among ESA 4(b)(2) critical habitat exclusions

Areas can be excluded from critical habitat (CH) designations for economic, national security, or other relevant reasons under 4(b)(2) of the U.S. Endangered Species Act (ESA). We are aware of no analyses that quantify the rates or patterns of use. …
Habitat Patrol image.

Habitat Patrol

Laws and regulations that protect imperiled species and their habitats are often limited by inadequate monitoring and enforcement. We developed Habitat Patrol to help address this critical need. Habitat Patrol is a free, public web application that …
California's Desert Tortoise image.

California's Desert Tortoise

After existing for millions of years in the California desert, the desert tortoise is experiencing continued, rapid population declines throughout its range. Many of the threats to tortoise are human related, including military base expansion, road …
Same law, diverging practice: Comparative analysis of Endangered Species Act consultations by two federal agencies image.

Same law, diverging practice: Comparative analysis of Endangered Species Act consultations by two federal agencies

Evaluating how wildlife conservation laws are implemented is critical for safeguarding biodiversity. Two agencies, the U.S. Fish and Wildlife Service and National Marine Fisheries Service (FWS and NMFS; Services collectively), are responsible for …