See also stories tagged with Mammal
Why is there sex—or, more precisely, sexual reproduction? If you're an evolutionary biologist, the answer isn't obvious. Sexual reproduction is biologically costly, requiring not only competition for mates but also the creation ...
Around 15,000 years ago, the way of life of human communities in the southern Levant underwent a fundamental change. Groups of hunter-gatherers, who until then had been nomadic, reduced their mobility and established small, ...
Take a walk in London's Trafalgar Square this summer, and people of all body sizes—some tall, some short—will be wilting in the heat: a real mix of sizes.
Scientists studying one of nature's greatest reproductive innovations have discovered how some lizards evolved from laying eggs to giving birth to live young. The new research is the first to reveal the evolutionary process ...
There are 536 species of monkeys in the world today, and the Democratic Republic of Congo has a new one. Named Likweli, this rainforest primate is one of only five new African monkey species described in the past 75 years. ...
In British zoos and aquariums, fewer than 10% of vertebrate species are native to the UK, and just 2% are high conservation priorities, according to a study by Justin Lennon at the University of Brighton and colleagues, published ...
Scientists had previously observed that some species of shrews undergo a form of biological plasticity in which their bodies, skulls, brains and some organs shrink in the winter, then regrow in the spring. Now, a new study ...
Many animals obtain information about others from scent marks left in the environment, including urine. Because these marks remain after the sender has left, they allow animals to communicate across space and time. But odor ...
Adoptions are on hold for thousands of dogs and cats in Texas, potentially putting the animals at risk of being euthanized, because of efforts to stop the spread of the New World screwworm, an insect that has crossed the ...
Rat poisons used in homes, businesses and on farms are moving into South Africa's wildlife, according to new research from the Urban Caracal Project, a key research and education initiative based in the Institute for Communities ...
