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Awide array of animals have tusks, including elephants, walruses, warthogs, hippos, and even the much smaller hyrax, which look like guinea pigs and are about the size of domestic cats. The other thin...
New research published in the Journal of Vertebrate Paleontology describes a fossil family that illuminates the origin of perissodactyls -- the group of mammals that includes horses, rhinos ...
Six million years ago, grass-eating mammals became more diverse in South America. Shifts in tropical atmospheric circulation known as Hadley circulation led to changes in climate and vegetation, espec...
Right now, a prairie dog in Colorado is busy increasing soil carbon retention, increasing water infiltration, and clipping vegetation that will help maintain local grasslands and provide nut...
Scientists once thought that being part of a community would protect animal populations from infectious disease outbreaks, but now they've learned otherwise, according to a study published this week i...
Using 3D-printed replicas of 200-million-year-old mammal teeth and polymers that mimic insect prey, scientists at the University of Massachusetts Amherst this week provide the first laboratory-tested ...
DNA sequences for the mitochondrial cytochrome b gene were determined for 13 species of sharks. Rates and patterns of amino acid replacement are compared for sharks and mammals. Absolute rates of ...
Given the interest by both the lay and scientific communities, it is surprising how little is known about the open ocean ecology of marine mammals. Their patchy distribution and low abundance leads to...
As more humans inhabit coastal regions, a global "anxiety" is developing about the health of our aquatic ecosystems. This anxiety is particularly prevalent in the United States, where more than half t...
Over the last 50 years, international public concern regarding human impact on the environment has increased drastically. Specific to the maritime domain, attention has more acutely focused during the...
Two eobaatarid multituberculates, Heishanobaatar triangulusgen. et sp. nov. and Eobaataridae gen. et sp. indet., and an ?albionbaatarid multituberculate, Kielanobaatar badaohaoensis gen. et sp. nov.,...
The retroviruses which gave rise to HIV have been battling it out with mammal immune systems since mammals first evolved around 100 million years ago – about 85 million years earlier than previously t...
The University of Queensland has found paying to preserve carbon stored in forests could protect endangered wildlife such as Indonesia's orangutans. Based on prices now being paid for carbon dioxide (...
QUADRUPEDS use their voices for various purposes, as a signal of danger, as a call from one member of a troop to another, or from the mother to her lost offspring, or from the latter for protectio...
WITH mammals the male appears to win the female much more through the law of battle than through the display of his charms. The most timid animals, not provided with any special weapons for fighti...

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