Few sounds are as instantly recognizable as the kookaburra's cackling "laugh," a call that echoes through Australian forests and suburban backyards alike. Native to Australia and New Guinea, these hefty, big-headed birds are actually the largest members of the kingfisher family, and their tight-knit family groups and fearless personalities make them one of the continent's most beloved birds.

Here's what's genuinely true about kookaburras, from their four distinct species to their surprisingly long family memories.