Many mammal populations in European and North American zoos are aging—a trend that jeopardizes the long-term viability of so-called reserve populations and, with it, a core mission of modern zoos in ...

When endangered species reach low numbers, their survival can depend on whether or not they have new habitats to live in, where more of their kind exists. The Devils Hole pupfish doesn’t get that ...

The population of the North Atlantic right whale is slowly climbing. What's behind the rise in numbers and what more can be ...

According to Phys.org, Museums Victoria Research Institute and the Museum für Naturkunde Berlin collaborated on new research that found Australian Mountain Dragon populations are suffering. The ...

Freshwater browning is stunting fish growth of some species, shrinking populations of others and changing the composition of ...

Researchers have uncovered a critical link between rising temperatures and declines in a species' population, shedding new light on how global warming threatens natural ecosystems. The study revealed ...

The Andean condor has been threatened with extinction for decades. At one time, the condor was considered extinct in ...

A new list of threatened mammals in South Africa, Lesotho and Eswatini shows that 11 more species have edged closer to extinction since 2016. Those that have joined the International Union for the ...

There are many types of penguins, a family of flightless aquatic birds that live primarily in the Southern Hemisphere. Read ...

A new species of shrew, Soriculus dexingensis, is discovered in Tibet, raising the number of known shrew species there to six ...