Measuring no bigger than 0.2 inches (2.5 centimeters), the sparklemuffin peacock spider is, arguably, one of the cutest ...

Jesse will serve as an ambassador for the McNay and guests can catch a glimpse of the playful peacock at select events ...

But bigger is only better up to a point. If peacock trains become too big or too colorful over time, they may no longer confer a selective advantage. Exaggerated trains might attract a new kind of ...