Monthly Archives: September 2018

Tiny fossils reveal how shrinking was essential for successful evolution

A new study published today in Nature shows that getting smaller was a key factor contributing to the exceptional evolution of mammals over the last 200 million years.

The origin of modern mammals can be traced back more than 200 million years to the age of dinosaurs. But while dinosaurs evolved to become some of the...

Read more

Earth's oldest animals formed complex ecological communities

A new analysis is shedding light on Earth's first macroscopic animals: the 570-million-year-old, enigmatic Ediacara biota.

Ediacaran fossils have a slightly bizarre appearance not shared by any modern animal groups. For decades, researchers believed these enigmatic fossils were ecologically simple. However, borrowing a method from modern ecology -- fitting species to relative abundance distributions -- Vanderbilt...

Read more

New tool helps conservationists make smarter decisions

A new tool developed by University of British Columbia researchers could help ensure limited conservation dollars are well spent by determining which actions would save the most species per dollar.

In a case study published in Conservation Letters, researchers from UBC and Environment and Climate Change Canada (ECCC) applied the tool to endangered species in Canada...

Read more

Sniffing out error in detection dog data

A new study in the journal Scientific Reports gets to the bottom of it: Why do dogs that are trained to locate poop sometimes find the wrong kind of poop?

It happens anywhere from 4 percent to 45 percent of the time, said Karen DeMatteo, a biologist in Arts & Sciences at Washington University in St....

Read more

Ecologists report sighting rare wild goat species in Afghanistan

Based on field surveys in northern Afghanistan, Zalmai Moheb, an ecologist with the Wildlife Conservation Society's Afghanistan Program and a doctoral candidate in environmental conservation at the University of Massachusetts Amherst, with others, report this week that they have for the first time documented by direct observation the presence of two rare Asian wild goat...

Read more