Tagged: extinction

Radical overhaul needed to halt Earth’s sixth great extinction event - Guest Work

Guest Work Nov 11, 2016

By Bill Laurance, James Cook University and Paul Ehrlich, Stanford University Life has existed on Earth for roughly 3.7 billion years. During that time we know of five mass extinction events — dramatic episodes when many, if not most, life forms vanished in a geological heartbeat. The most recent of these was the global … Read More

Invasive predators are eating the world’s animals to extinction – and the worst is close to home - Unsorted

Guest Work Sep 25, 2016

By Tim Doherty, Research Fellow, Deakin University; Chris Dickman, Professor in Terrestrial Ecology, University of Sydney; Dale Nimmo, Lecturer in Ecology, Charles Sturt University, and Euan Ritchie, Senior Lecturer in Ecology, Centre for Integrative Ecology, School of Life & Environmental Sciences, Deakin University Invasive species are a threat to wildlife across the … Read More

How climate change killed the dinosaurs’ underwater cousins - Guest Work

Guest Work Mar 09, 2016

Valentin Fischer, Université de Liège Imagine dolphins disappearing from the world’s oceans as a result of prolonged climate change and slower evolution. As shocking and unlikely as such an event might be, it happened in the past to a group of marine animals: the ichthyosaurs. These “fish-reptiles” were an iconic group of marine predators from the dinosaur era … Read More

Australian bushfires pushing species towards extinction - Guest Work

Guest Work Feb 11, 2016

Tim Doherty, Deakin University; Emma Burgess, The University of Queensland; Martine Maron, The University of Queensland, and Robert Davis, Edith Cowan University Massive Australian bushfires in recent months have tragically claimed people’s lives and destroyed their homes. These events are becoming more common as our warming and drying climate increases the … Read More

What species would become dominant on Earth if humans died out? - Guest Work

Guest Work Jan 27, 2016

Luc Bussiere, University of Stirling In a post-apocalyptic future, what might happen to life if humans left the scene? After all, humans are very likely to disappear long before the sun expands into a red giant and exterminates all living things from the Earth. Assuming that we don’t extinguish all other life as we disappear (an unlikely … Read More

A case of mistaken identity for Australia’s extinct big bird - Guest Work

Guest Work Jan 14, 2016

Trevor Worthy, Flinders University Australia is renowned for once being home to a group of gigantic birds known as the mihirungs. These birds are distantly related to waterfowl and included the impressive Dromornis stirtoni, the largest bird ever known on the planet at about 450kg in weight. An artist’s impression of Genyornis newtoni. Anne Musser, Australian Museum … Read More

The Sixth Extinction - Hot Topic

Bryan Walker Jun 16, 2014

Elizabeth Kolbert’s recent book The Sixth Extinction: An Unnatural History is science journalism of a high order. As with her earlier notable book on climate change, Field Notes from a Catastrophe, she includes lively narrative accounts of her visits to places around the world where scientists are at work and communicates the import of their […] … Read More