Ornithosis (wanda aka fi sani da psittacosis) wani nau'in cuta ne mai saurin yaduwa da kwayoyin cuta da ake kira Chlamydia psittaci ke haifarwa, wanda galibi ke shafar tsuntsaye amma kuma yana iya yadawa ga mutane. Cutar na iya haifar da alamun mura kamar zazzabi, sanyi, ciwon kai, ciwon tsoka, da bushewar tari. A lokuta masu tsanani, yana iya haifar da ciwon huhu da sauran rikitarwa. Kalmar “ornithosis” ta samo asali ne daga kalmar Helenanci “ornithos,” ma’ana tsuntsu, da kuma “-osis,” ma’ana yanayi ko cuta.