Quick Take Scientists have documented same-sex behavior in hundreds of animal species, though it is not considered a required ...

The evolution of sex, gender, mating strategies, and social relationships are hot topics in the study of nonhuman and human behavior. 1 People from many different disciplines are weighing on these and ...

The piece of Russian amber allowed scientists to recreate the ancient scene from the past and understand current animal behavior. The fossil, found in Kaliningrad, Russia, is a "unicorn" because it ...

Researchers have uncovered new insights into the evolution of bird behavior, revealing why certain mating systems persist while others disappear over time. Researchers at Rice University have ...

Evolutionary approach to animal behavior -- Diversity of behavior -- Genetics of behavior -- Development of behavior -- Nerve cells and behavior -- Organization of behavior -- Evolution of behavior: ...