BACKYARD BIRDING IN MERIDA, YUCATAN, AND BEYOND – GREEN AND BLUE PIGMENTS OF YOUR IMAGINATION? PART 3 of 3

SLIDER and #1 SCARLET MACAW back feathers Surely those vivid red and yellow feathers of the Scarlet Macaw are produced by carotenoid … Continue reading BACKYARD BIRDING IN MERIDA, YUCATAN, AND BEYOND – GREEN AND BLUE PIGMENTS OF YOUR IMAGINATION? PART 3 of 3