The vulturine guinea fowl’s electric blue feathers are not pigments. (Image: Canva) Vulturine guinea fowl's blue feathers come from microscopic structures, not pigment. Feather patterns help flock ...

Complex societies were thought to only exist among mammals, including humans, other primates, elephants, giraffes and dolphins. But a new study shows that vulturine guinea fowl, a bird with ...

Multilevel societies – ones in which strong and consistent bonds are established within and between groups – have only been known to exist among large-brained mammals including humans, other primates, ...