Mammal

Earth's smallest mammals by weight
By The Numbers

Earth's smallest mammals by weight

Size differences between inner ears (in grey) of warm-blooded mammaliamorphs (on the left) and cold-blooded, earlier synapsids (on the right). Inner ears are compared for animals of similar body sizes.Romain David and Ricardo Araujo/Handout via REUTERS.
Science

Scientists reveal origin of mammal evolution milestone: warm-bloodedness

Golden Jackal is fast disappearing from village forests. Photo: Rejaul Hafiz Rahi
Earth

Carnivore mammals of the homesteads: Forgotten and forsaken?

Polar bear, a survivor of the frozen realm. Photo: Renata Hartman
Earth

Mammalian means of self-isolation