The evolution of land animals has been shaped by barriers such as oceans and mountains which have divided them and sent them down different genetic paths.
Ecology
Mar 15, 2017
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6
Long ago, one great ocean flowed between North and South America. When the narrow Isthmus of Panama joined the continents about 3 million years ago, it also separated the Atlantic from the Pacific Ocean. If this took place ...
Earth Sciences
Aug 17, 2016
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672
For some 8,000 years, pronghorn antelope were at home under the open skies and on the sagebrush steppe that today is part of the Colville Indian reservation.
Ecology
Feb 16, 2016
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10
Two hundred and seventy-eight million years ago, the world was a different place. Not only were the landmasses merged into the supercontinent of Pangaea, but the land was home to ancient animals unlike anything alive today. ...
Archaeology
Nov 5, 2015
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244
(Phys.org)—A team of researchers with Universiteit Antwerpen in Belgium has uncovered the mechanism by which mudskippers, a type of fish that feed on land, obtains its food. In their paper published in Proceedings of the ...
Ongoing research across South-West WA is examining the impacts of upgrading and extending the state barrier fence.
Ecology
Jan 7, 2015
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54
Mongolia's nomads have roamed its sprawling grasslands for centuries, pitching their yurts wherever they find pasture for their animals, but now Tsogtsaikhan Orgodol is staying put as part of a scheme to tackle chronic overgrazing.
Environment
Oct 21, 2013
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0
The ancestor of all creatures with jaws and a backbone was not a sleek, shark-like beast but a toothless, armoured fish, said a study Wednesday that rewrites Man's evolutionary history.
Archaeology
Sep 25, 2013
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0
A 350-million-year-old fossilised scorpion discovered in South Africa is the oldest known land animal to have lived on Gondwana, part of Earth's former supercontinent, a university said Monday.
Archaeology
Sep 2, 2013
2
1
One of the world's longest migrations of zebras occurs in the African nation of Botswana, but predicting when and where zebras will move has not been possible until now. Using NASA rain and vegetation data, researchers can ...
Ecology
Aug 7, 2013
0
0
