The Evolution of Pill Bugs’ Rolling Defense—and When It Doesn’t Work

When pill bugs roll into a tiny ball, the act looks far simpler than it actually is. Known as conglobation, a pill bugs’ ...
Opinion
Animalogic on MSNOpinion

When evolution produces a predator that makes no sense

This video examines one of South America’s most unusual predators and the traits that set it apart from typical hunters. Its behavior, physical adaptations, and hunting strategy challenge long-held ...
Yahoo

Crocodile-eating apex dinosaur reveals missing link in predator evolution

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 ...
Amazon S3 on MSN

How T rex became the apex predator of the Cretaceous

The curious minds at What If explain how T. rex became the apex predator of the Cretaceous, exploring evolution, hunting ...
insider.si.edu

Evolution of animal behavior : paleontological and field approaches / edited by Matthew H. Nitecki and Jennifer A. Kitchell

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 ...