With only three living individuals left on this planet, the northern white rhinoceros
(Ceratotherium simum cottoni) could be considered doomed for extinction. It might still be …

In the limited scope of this book I wish to present a brief review of the progressive destruction
of nature, particularly in the domain of animal life, and at the same time to ill-trate some of …

Extinction risk varies among species, and comparative analyses can help clarify the causes
of this variation. Here we present a phylogenetic comparative analysis of species-level …

1. Conservation biology has two threads: the small-population paradigm which deals with
the effect of smallness on the persistence of a population, and the declining-population …

Some thousands of years ago, the world was home to an immense variety of large
mammals. From wooly mammoths and saber-toothed tigers to giant ground sloths and …

Extinction is difficult to detect, even in well-known taxa such as mammals. Species with long
gaps in their sighting records, which might be considered possibly extinct, are often …

Ecological theory offers predictions, sometimes conflicting, about the ecological
characteristics of species that correlate with their risk of extinction. It is generally agreed that …

The ongoing mass extinction of animal species at an unprecedented rate is largely caused
by human activities. Progressive habitat destruction and fragmentation is resulting in …

The northern white rhino (Ceratotherium simum cottoni) is functionally extinct with only two
females left alive. However, cryopreserved material from a number of individuals represents …

Recently, two articles were published in leading scientific journals, each calling attention to
an emerging mass extinction. The two are complementary in that they reached the same …