Finally the 2018 AOS supplement is out! This is what many birders (I hope is not just me) wait for months to reveal what are the official “new species” to the list and what we have lost in terms of lumps of two species previously thought to be different. This issue has some interesting changes and some other changes that seem senseless and very redundant. But the appreciation of the actual changes can only be fully understood if we go deeper on the background of what happened