Mammals, including humans, stand out with their distinctively upright posture, a key trait that fueled their spectacular evolutionary success. Yet, the earliest known ancestors of modern mammals more ...

Take a mama salmon, for example. It lays thousands of eggs at a time which the males fertilize thoroughly. The salmon packs each egg with more yolk compared to an urchin, that means more proteins, ...

South American mammals present a fascinating case study in evolutionary biology, shaped by a dynamic interplay of palaeoenvironmental shifts, adaptive radiations and biogeographic isolation. The ...

A new study reveals the surprisingly convergent evolution in the inner ear of mammals. An international research team showed that a group of highly divergent mammals known as Afrotheria and distantly ...

Mammals that have evolved more developed brains tend to have a smaller size difference between males and females of that species, according to new research led by the University of Bath and published ...

For over a century, scientists have been captivated by the mystery of how mammals evolved from sprawling creatures resembling lizards to the graceful, upright walkers we see today. This fundamental ...

From whale songs to lion roars, animals have evolved to stretch their voices across distances so that friends—and sometimes foes—can hear them. Each sound is coded with messages like "Come here!" ...

The pallium is the brain region where the neocortex forms in mammals, the part responsible for cognitive and complex functions that most distinguishes humans from other species. The pallium has ...

The mammalian olfactory system has evolved a remarkable complexity, integrating specialisations in the nasal architecture that support diverse ecological roles. Central to this system are the turbinal ...

Evolution of life histories : theory and patterns from mammals / Mark S. Boyce -- Geographic variation in life history traits of the Hispid cotton rat (Sigmodon hispidus) / Guy N. Cameron and Polley A ...

Mammals that have evolved more developed brains tend to have a smaller size difference between males and females of that species, according to new research. In many mammal species, the males can be ...