Now, critical habitat can include areas where a protected species doesn’t live but could find hospitable. The Fish and Wildlife Service and NOAA Fisheries today rescinded a Trump-era definition of ...

The U.S. Fish & Wildlife Service (“Service”) proposed on August 5th for the first time a regulatory definition for the term “habitat” as it is used in the Endangered Species Act (ESA) and the various ...

The U.S. Fish & Wildlife Service and the National Marine Fisheries Service (together, the “Services”) recently issued a proposed rule adding a definition of “habitat” to the regulations implementing ...

With the advent of genomic sequencing and genetic analysis in the 1990s, our understanding of the relationships between different microorganisms fundamentally changed. In light of this new knowledge, ...

Dave Miller: This is Think Out Loud on OPB. I’m Dave Miller. The Trump administration is proposing to change the definition of “harm” under the regulation of the Endangered Species Act. For decades ...

The question of what defines a species has vexed scientists across the ages, particularly in conservation, where decisions require a firm understanding of biodiversity. When you purchase through links ...

U.S. Fish and Wildlife Services on Thursday announced a new rule reversing a Trump-era definition of “habitat” as applied to endangered animals. Under the 2020 rule, the definition of ...

In “Defining ‘species’ is a fuzzy art” (SN: 11/11/17, p. 22), Susan Milius asked scientists to define “species.” Schoolbooks may define the concept as a group of organisms that create fertile ...

Conservation decisions based on population counts may fail to protect large, slow-breeding animals from irrevocable decline, according to new research. Conservation decisions based on population ...

Interspecific competition is an important driver of community assembly in plants and animals, but phylogenetic evidence for interspecific competition in bacterial communities has been elusive. This ...

Until a decade ago, scientists categorized microorganisms almost exclusively by their physical characteristics: how they looked, what they ate, and the by-products they produced. With the advent of ...