Animals face a constant battle to survive, not just by finding food but by avoiding becoming food themselves. Over millions of years, evolution has produced a vast range of defense strategies, from ...

A fossil from the blustery plains of Patagonia is revising your book on one of the most elusive bands of hunting dinosaurs. The newly discovered dinosaur, Joaquinraptor casali, preyed on the soggy ...

Sometimes, the best survival strategy is disguising yourself like something no one wants to eat, much less mess with and dig around in: bird poop. That is the approach taken by newly discovered spider ...

Hunting is considered critical to human evolution by many researchers who believe that several characteristics that distinguish humans from our closest living relatives, the apes, may have partly ...

Papers presented at the 7th Spring Systematics Symposium of the Field Museum, Chicago, May 1984. Homology, analogy, and the evolution of behavior / George V. Lauder -- Social and unsocial behavior in ...

The leopard, the most graceful of Africa's predators, is feared throughout the continent. Leopards do not consider humans to be special, aside from their being easy prey that neither bite nor scratch ...

Evolution often involves losing traits like eyesight or flight when they are no longer advantageous, demonstrating a focus on efficiency and adaptation. Cavefish lose eyes through epigenetic changes, ...