Decisions under the US Endangered Species Act (ESA) require scientific input on the risk
that the species will become extinct. A series of critiques on the role of science in ESA …

Population projection models, such as matrix and integral projection models, are used
increasingly to understand potential effects of anthropogenic stressors and inform …

Assessment of a species' status is a key part of management decision making for
endangered and threatened species under the US Endangered Species Act. Predicting the …

Background Many species are distributed as metapopulations in dynamic landscapes,
where habitats change through space and time. Individuals locate habitat through dispersal …

At least one-third of all amphibian species face the threat of extinction, and current
amphibian extinction rates are four orders of magnitude greater than background rates …

Population persistence probability is valuable for characterizing risk to species and
informing listing and conservation decisions but is challenging to estimate through …

Upon reproductive failure, many bird species make a secondary attempt at nesting
(hereafter,“renesting”). Renesting may be an effective strategy to maximize current and …

Legal classification of species requires scientific and values‐based components, and how
those components interact depends on how people frame the decision. Is classification a …

Natal survival and dispersal have important consequences for populations through the
movement of genes and individuals. Metapopulation theory predicts either balanced natal …

Hawaiian stilts (Himantopus mexicanus knudseni) are an endangered subspecies of the
Black‐necked stilt endemic to the Hawaiian Islands. Despite long‐term study, the main …