It’s time again to rescue another squamate-themed article from the Tet Zoo articles. This one – devoted to the treerunners, obviously – was first published at Tet Zoo ver 3 in December 2017 (the original Sci Am version is hosted here) and here it is again, with substantial updates… What is Plica plica? It’s a strikingly proportioned, diurnal, arboreal iguanian lizard that can exceed 17 cm in total length and has a range that encompasses a huge part of northern South America (though, keep that...