Monitoring animal populations is central to wildlife and fisheries management, and the use
of N-mixture models toward these efforts has markedly increased in recent years …

Reintroduction efforts are increasingly used to mitigate biodiversity losses, but are frequently
challenged by inadequate planning and uncertainty. High quality information about …

Despite the growing roles of assisted reproduction and captive breeding in reintroductions,
we have a limited understanding of the viability of these animals once released. We …

Relocations are increasingly popular among wildlife managers despite often low rates of
relocation success in vertebrates. In this context, understanding the influence of extrinsic …

Detecting spatiotemporal changes in the abundances of organisms is key to effectively
conserving species. While indices of abundance have long been used, there has been a …

Successfully addressing complex conservation problems requires attention to pattern and
process at multiple spatial scales. This is challenging from a logistical and organizational …

In North America, ranid frogs (Ranidae) have experienced larger declines than any other
amphibian family, particularly species native to the southwestern USA and adjacent Mexico; …

Declines in amphibian populations worldwide have been linked to multiple factors, including
recent changes in climate. Changes in precipitation, for example, can alter the availability of …

American bullfrogs (Lithobates catesbeianus) are significant invaders in many places and
can negatively impact native species. Despite their impact and wide distribution, little is …

Habitat fragmentation and subsequent disruption of animal movement are responsible for
extinctions in some species, including amphibians. Amphibians that can travel across …