Princess Sirindhorn Bird _ 50th Anniversary of Princess Sirindhorn Bird First SightingPrincess Maha Chakri Sirindhorn (Thai: มหาจักรีสิรินธร, Thai pronunciation: [mā.hǎː t͡ɕàk.krīː sì.rīn.tʰɔ̄ːn]; RTGS: Maha Chakkri Sirinthon), born Princess Sirindhorn Debaratanasuda Kitivadhanadulsobhak (Thai: สิริ