Can genetic rescue help save Arabia's last big cat?

Genetic diversity underpins evolutionary potential that is essential for the long-term viability of wildlife populations. Captive populations harbor genetic diversity potentially lost in the wild, which could be valuable for release programs and genetic rescue. The Critically Endangered Arabian leopard () has disappeared from most of its former range across the Arabian Peninsula, with fewer than 120 individuals left in the wild, and an additional 64 leopards in captivity.

Genomic erosion in a demographically recovered bird species during conservation rescue.

The pink pigeon (Nesoenas mayeri) is an endemic species of Mauritius that has made a remarkable recovery after a severe population bottleneck in the 1970s to early 1990s. Prior to this bottleneck, an ex situ population was established from which captive-bred individuals were released into free-living subpopulations to increase population size and genetic variation. This conservation rescue led to rapid population recovery to 400-480 individuals, and the species was twice downlisted on the International Union for the Conservation of Nature (IUCN) Red List.

Correction: Rapid loss of flight in the Aldabra white-throated rail.

[This corrects the article DOI: 10.1371/journal.pone.

Rapid loss of flight in the Aldabra white-throated rail.

Flight loss has evolved independently in numerous island bird lineages worldwide, and particularly in rails (Rallidae). The Aldabra white-throated rail (Dryolimnas [cuvieri] aldabranus) is the last surviving flightless bird in the western Indian Ocean, and the only living flightless subspecies within Dryolimnas cuvieri, which is otherwise volant across its extant range. Such a difference in flight capacity among populations of a single species is unusual, and could be due to rapid evolution of flight loss, or greater evolutionary divergence than can readily be detected by traditional taxonomic approaches.

Evaluation of the Pronouncement of Death Policy Implementation and Outcomes: Implications for Advanced Practice Nursing.

In 2011, the Veterans Health Administration mandated that Veterans Affairs (VA) Medical Centers develop and implement a policy that allowed registered nurses (RNs) and advanced practice registered nurses (APRNs) to pronounce the death of residents who die in Veterans Affairs community living centers, previously known as nursing homes, provided that there is a written do-not-resuscitate order in their medical record. The purpose of this quality improvement project was to determine the extent to which the implementation of the RN/APRN death pronouncement policy affected death pronouncement time for residents who die after 5 PM and before 7:30 AM, on weekends and holidays. This project is significant because the previous physician-only death pronouncement policy was found to cause unnecessary delays in death pronouncement.