Effective conservation of at‐risk species presents a conundrum, often requiring rapid status
assessments and timely actions regardless of the adequacy of best available information …

When wildlife species exhibit unexpected associations with vegetation, replication of studies
in different locales can illuminate whether patterns of use are consistent or divergent. Our …

Context Characterizing animal space-use and resource selection is central to effective
conservation. In seasonally variable systems, animals may alter space-use to minimize risk …

Quantifying the demography of wildlife populations is imperative to evaluating population
trends. Understanding patterns of influential demographic parameters often requires …

Context Parapatric sister species are ideal for tests of ecological interactions. Pacific (Martes
caurina) and American pine (M. americana) martens are economically and culturally …

Background Many mammalian species have experienced range contractions. Following a
reduction in distribution that has resulted in apparently small and disjunct populations, the …

This document transmits the US Fish and Wildlife Service's (Service) programmatic
biological and conference opinion (Opinion) and letter of concurrence (Concurrence), based …