Polar bears (Ursus maritimus) have become a symbol of global warming, and their predicted decline a sign of worst to come, but until very recently population estimates were really just educated guesses. Current polar bear numbers are estimated to … [Read more...] about No Reliable Data on Historical Polar Bear Numbers – A Note from Nichole Hoskin
Plants and Animals
Polar Bears Can Survive where there is no Summer Sea Ice: A Note from Nichole Hoskin
There has been a dramatic reduction in the extent of summer sea ice in the Arctic since 1870, Chart 1. Drawn by Nichole Hoskin using data from Arctic Climate Research at the University of Illinois Australian television's Four Corners showed a … [Read more...] about Polar Bears Can Survive where there is no Summer Sea Ice: A Note from Nichole Hoskin
Humpback Whales Off Endangered List
"FORTY years ago conservationists feared that humpback whales were being hunted to extinction. Now numbers have returned to such a level that they have been taken off the danger list." At least that is one of the good news stories in yesterday's … [Read more...] about Humpback Whales Off Endangered List
A Bridled Nailtail Wallaby?
Is this photograph of a Bridled Nailtail Wallaby and should it be in Scotia National Park near Broken Hill in south western New South Wales? Photograph by Phil Cole, Scotia National Park, June 2008 The Bridled Nailtail Wallaby (Onychogalea … [Read more...] about A Bridled Nailtail Wallaby?
Injured Cassowary
About two months ago, this magnificent adult female cassowary (above) traversed alongside our house with a dreadful limp. At the time, cassowaries had been fighting, so I assumed this one had suffered an injury in such conflict. However, the big … [Read more...] about Injured Cassowary
Close Encounter of the Cassowary Kind
Breakfast at Cooper Creek Wilderness took a dramatic turn this morning with the unexpected arrival of a distressed cassowary chick. Not more than a month old, its separation from its family unit was cause for great concern. It ran about whistling … [Read more...] about Close Encounter of the Cassowary Kind
Jennifer Marohasy BSc PhD is a critical thinker with expertise in the scientific method.
