New! Sign up for our free email newsletter.
Reference Terms
from Wikipedia, the free encyclopedia

Mammal

The mammals are the class of vertebrate animals characterized by the production of milk in females for the nourishment of young, from mammary glands present on most species and specialized skin glands in monotremes that seep or ooze milk; the presence of hair or fur; specialized teeth; three minute bones within the ear; the presence of a neocortex region in the brain; and endothermic or "warm-blooded" bodies.

Note:   The above text is excerpted from the Wikipedia article "Mammal", which has been released under the GNU Free Documentation License.
Related Stories
 


Plants & Animals News

February 19, 2025

Animals are not just inhabitants of the natural world -- they are its architects. A new study has revealed how hundreds of species shape the landscapes we depend on, from vast termite mounds visible ...
For years, scientific divers at a research station in the Mediterranean Sea had a problem: at some point in every field season, local fish would follow them and steal food intended as experimental rewards. Intriguingly these wild fish appeared to ...
Fossil collectors in Florida have discovered an ancient sinkhole, now at the bottom of a river, which holds the remains of animals rarely seen in the state, including a type of giant armadillo, giant ...
Who hasn't been there? The big meal is over, you're full, but the craving for sweets remains. Researchers have now discovered that what we call the 'dessert stomach' is rooted in the brain. The same nerve cells that make us feel full after a meal ...

Latest Headlines

updated 12:56 pm ET