Thursday
Oct172013
Problem-Solving Parrots Understand Cause and Effect
Thursday, October 17, 2013 at 12:09 
Spectacled Parrotlet (Forpus conspicillatus). Image by Ron KnightScientists speculate two factors may influence why some animal species are smarter than others: the foraging behavior of a species (for instance, how cognitively demanding it is for the animals to obtain food) and the social complexity of the animals’ society.