Basic ecology uses simple diagrams to illustrate how biomass is distributed in ecosystems. These “ecological pyramids” lump all primary producers (plants) at the base of the pyramid. The second level ...

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The endangered Pacific pocket mouse has been the subject of a 12-year breeding and reintroduction project to help save the species. Photo: Ken Bohn San Diego Zoo Wildlife Alliance The San Diego Zoo ...

Scientists caught a long-tailed mammal with a “facial mask” in a trap at a Peru national park and discovered a new species, a study said. Photo from Pedro Peloso, shared by Robert Voss In the Andes ...

SACRAMENTO, Calif.— The California Fish and Game Commission voted unanimously today to declare the Pacific pocket mouse a candidate species under the California Endangered Species Act, granting ...

In the animal kingdom, there are far more mammals that are polyamorous than are monogamous. In fact, just three to five percent of mammals are monogamous, and researchers have long wondered what ...

Understanding human gene function in living organisms has long been hampered by fundamental differences between species.

LIMA (Reuters) - An "amphibious mouse" with partially webbed feet that eats aquatic insects was among 27 new species discovered during a 2022 expedition to Peru's Amazon, according to Conservation ...