Increase in bear infanticide linked to hunting
(Phys.org) —Studies conducted by multinational government and academic institutes have shown that bear hunting can indirectly increase cub mortality by 81 per cent.
News tagged with population decline
Tasmanian devils survived two big falls in numbers but now need help
Most people probably know the Tasmanian devil as the iconic animal from Australia's island state of Tasmania. Fewer know that, up until a few thousand years ago, devils were widespread across mainland Australia.
Ecology
Nov 5, 2014
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Early-warning system to prevent fishery collapse discovered
Threats from overfishing can be detected early enough to save fisheries— and livelihoods —with minimal adjustments in harvesting practices, a new study by researchers in the University of Minnesota's College of Biological ...
Ecology
Sep 16, 2013
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Females lead population collapse of the endangered Hawaii creeper
(Phys.org) —Only 22 to 28 percent of the remaining adult population of the endangered Hawai'i creeper (Oreomystis mana) found in the southern portion of the Hakalau Forest National Wildlife Refuge is female, raising concerns ...
Plants & Animals
Jul 8, 2013
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World population could be nearly 11 billion by 2100, research shows
A new statistical analysis shows the world population could reach nearly 11 billion by the end of the century, according to a United Nations report issued June 13. That's about 800 million, or about 8 percent, more than the ...
Social Sciences
Jun 13, 2013
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Front-row seats to climate change
By day, insects provide the white noise of the South, but the night belongs to the amphibians. In a typical year, the Southern air hangs heavy from the humidity and the sounds of wildlife.
Plants & Animals
May 17, 2013
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Scientists discover that for Australia the long-beaked echidna may not be a thing of the past
The western long-beaked echidna, one of the world's five egg-laying species of mammal, became extinct in Australia thousands of years ago…or did it? Smithsonian scientists and colleagues have found evidence suggesting that ...
Plants & Animals
Jan 2, 2013
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Bumblebees do best where there is less pavement, more floral diversity
Landscapes with large amounts of paved roads and impervious construction have lower numbers of ground-nesting bumblebees, which are important native pollinators, a study from The University of Texas at Austin and the University ...
Plants & Animals
Dec 24, 2012
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Isolation of Puerto Rico's manatees affects survival odds, research finds
New evidence shows there is no cross-breeding between endangered manatees in Puerto Rico and those in Florida, resulting in less genetic diversity in Puerto Rico's small manatee population and impacting its odds of survival.
Plants & Animals
Oct 26, 2012
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New research findings consistent with theory of impact event 12,900 years ago
(Phys.org)—New research findings published in the Proceedings of the National Academy of Sciences (PNAS) are consistent with a controversial theory that an extraterrestrial body – such as a comet – impacted the Earth ...
Earth Sciences
Sep 25, 2012
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