Ecology & Zoology
- Parrots Use Tools, Say Psychologists
Psychologists say they have evidence of tool use by greater vasa parrots (Coracopsis vasa). They determined this by studying ten captive parrots and seeing that the birds adopt a novel tool-using technique to acquire calcium from seashells. They also note ...
Article - News Staff - Dec 16 2015 - 12:30pm
- Female Sex Cannibals: Not Angry, Just Picky
A new study challenges the popular idea that sexual cannibalism occurs because a female is unable to alter or 'tone down' her aggressive mindset after foraging and hunting for prey. Instead, females are sexually cannibalistic because they are te ...
Article - News Staff - Dec 16 2015 - 12:26pm
- How To See A Mass Extinction Right In Front Of You
There is a bad habit in environmental circles, created by the academics that feed them information: Discovering a new species and immediately declaring it endangered. More evidence-based scientists recognize that over 99.99999% of all species that have go ...
Article - News Staff - Dec 26 2015 - 11:20am
- Academics Disagree With Wildlife Biologists On Wolf De-Listing
One of the biggest controversies in the western U.S. in the last two decades has been keeping gray wolves listed as endangered. Wolves are predators and with no evidence-based policies regarding herd management, attacks on livestock and threats to humans ...
Article - News Staff - Dec 19 2015 - 2:33pm
- I'm Not Extinct, Declare Sea Snakes Previously Declared Extinct
Scientists from James Cook University have discovered two critically endangered species of sea snakes they thought were extinct. They were basically hiding in plain sight on Ashmore Reef in the Timor Sea, they just hadn't been since in over 15 years. ...
Article - News Staff - Dec 21 2015 - 10:00am
- Why Birds Never Go Gray
Birds use sophisticated changes to the structure of their feathers, not dyes and pigments, to create multi-colored plumage, and that is why they never go gray. Using X-ray scattering at the ESRF facility in France to examine the blue and white feathers o ...
Article - News Staff - Dec 21 2015 - 9:00am
- Wild Bees Must Be In Decline, Says Computer Estimate
The first national estimate of U.S. wild bees suggests they're disappearing in many of the country's most important farmlands--including California's Central Valley, the Midwest's corn belt, and the Mississippi River valley. ...
Article - News Staff - Dec 21 2015 - 5:19pm
- A Call To Change Water Policy: Millions Of Trees In Danger From California Drought
Millions of trees are in peril from the drought in California but that is not the fault of climate change or even bad luck- every 20 years California has a drought as bad as what just ended. It is instead bad policy; California's water infrastructure ...
Article - News Staff - Dec 28 2015 - 4:13pm
- How Two-toned Cats Get A Piebald Patch
Why do the distinctive piebald patches seen in black and white cats and some horses occur? The predominant hypothesis has been that piebald patterns form on animals' coats because pigment cells move too slowly to reach all parts of the embryo before ...
Article - News Staff - Jan 6 2016 - 12:30pm
- Killer Whales Eat A Lot More Salmon Than You Do
Killer whales eat 375 pounds of food per day. Now imagine most of that is salmon, the food source they most often in the summer, and you can imagine how devastating that can be to the salmon population of the Pacific Northwest if such whales were higher p ...
Article - News Staff - Jan 7 2016 - 7:31am