C. cristata may refer to: Belah, Casuarina cristata, species of flowering plant in the family Casuarinaceae The blue jay (Cyanocitta cristata), species of passerine bird in the family Corvidae The hooded seal (Cystophora cristata), species of phocid The red-legged seriema (Cariama cristata), species of terrestrial bird in the seriema family The great blue turaco (Corythaeola cristata), bird species of the family Musophagidae Clavulina cristata, white- or light-colored edible coral mushroom The crested coua (Coua cristata), medium sized bird member of the cuckoo family Coelogyne cristata, epiphytic orchid Cyanotis cristata, species of perennial plants in the family Commelinaceae Celosia cristata, a former name for Celosia argentea var. cristata