Rashika Ranasinghe, a PhD student in Dr. Darren Irwin lab Department of Zoology, studies the genomic and pigment biochemical basis of carotenoid coloration in Flameback woodpeckers in South Asia. The format of carotenoid pigment across woodpecker feathers were observed using the Olympus BX53 optilcal microscope. Left: Yellow feather of D. benghalense (Golden-backed woodpecker), Top right: Red feather of D. psarodes (Red-backed woodpecker), Bottom right: Orange feather of a hybrid woodpecker (an offspring of yellow D. benghalense and red D. psarodes).