The California scrub-jay, a generally non-social bird, can learn just as well as another species of jay that lives in groups, a finding that surprised animal intelligence researchers who devised a ...

Western scrub jays summon others to screech over the body of a dead jay, according to new research from the University of California, Davis. The birds' cacophonous "funerals" can last for up to half ...

A comprehensive new genetic and statistical study reveals two groups of scrub jays -- one in Mexico and one in Texas -- deserve status as independent species. The paper also uses genomic data to ...