Mary Jo DiLonardo, Treehugger: Blue-Throated Macaws Are Making a Comeback in Boliviaa Bolivia 113 critically endangered macaws have fledged with nesting box program. Once thought to be extinct in the wild, more than 100 colorful blue-throated macaws have hatched over the past few years in nesting boxes in Bolivia. Rainforest Trust has been working with local partners to…