April 15 (UPI) --New genomic analysis has allowed scientists to estimate the population size of the first Samoans to arrive on the Pacific island some 3,000 years ago. From approximately 3,000 to ...

NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of ...

An international team of scientists has succeeded in using the signature whistles of individual bottlenose dolphins off the coast of Namibia to estimate the size of the population and track their ...

Noninvasive genetic tools are commonly used in conservation programs because they help practitioners address practical questions—such as estimating population size and reconstructing ...

One of North America’s largest caribou herds — known for its over 2,400-kilometre migration across Arctic tundra, snow-covered mountains and roaring rivers to its calving grounds on Alaska’s coastal ...

A new study has shown for the first time that acoustic monitoring can be used in place of photographs to generate abundance estimates of dolphin populations. An international team of scientists has ...

An international team of scientists has succeeded in using the signature whistles of individual bottlenose dolphins to estimate the size of the population and track their movement. The research, led ...