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  • Early Mammals Acted More Like Reptiles, Says Study

Early Mammals Acted More Like Reptiles, Says Study

KEY POINTS Scientists said early mammals led a less active but much longer lives They analyzed teeth fossils of earliest mammals, the Morganucodon and Kuehneotherium The study suggested that mammals…

Ancient tiny teeth reveal first mammals lived more like reptiles — ScienceDaily

Pioneering analysis of 200 million-year-old teeth belonging to the earliest mammals suggests they functioned like their cold-blooded counterparts — reptiles, leading less active but much longer lives. The research, led…

First study to compare dietary signatures of African and South American mammals in quest to reconstruct ancient ecosystems finds need for revisions — ScienceDaily

Closed-canopy rainforests are a vital part of the Earth’s modern ecosystems, but tropical plants don’t preserve well in the fossil record so it is difficult to tell how long these…

Nearly Half of South America’s Mammals Came from North America, New Research May Explain Why | Smart News

North and South America haven’t always been connected. South America functioned as a continent-sized island for millions of years following the extinction of the dinosaurs, incubating its own strange assembly…

Double jeopardy for ecologically rare birds and terrestrial mammals

Credit: Pixabay/CC0 Public Domain Common assumptions notwithstanding, rare species can play unique and essential ecological roles. After studying two databases that together cover all known terrestrial mammals and birds worldwide,…

Double jeopardy for ecologically rare birds and terrestrial mammals — ScienceDaily

Common assumptions notwithstanding, rare species can play unique and essential ecological roles. After studying two databases that together cover all known terrestrial mammals and birds worldwide, scientists from the CNRS,…