Common pheasants are gamebirds that constitute the genus Phasianus, they are native to Asia and are known for their wattle structure, there are four extant species of common pheasant: the Black-Breasted Pheasant (Phasianus elegans), the Black-Necked Pheasant (Phasianus colchicus), the Ring-Necked Pheasant (Phasianus torquatus), and the Green Pheasant (Phasianus versicolor), the black-breasted pheasant has six recognized subspecies within two subspecies groups: the Phasianus elegans elegans group that contains the Rothschild's Black-Breasted Pheasant (Phasianus elegans rothschildi), the Stone's Black-Breasted Pheasant (Phasianus elegans elegans), and the Qinghai Black-Breasted Pheasant (Phasianus elegans vlangallii) and the Phasianus elegans principalis group that contains the White-Winged Black-Breasted Pheasant (Phasianus elegans chrysomelas), the Bianchi's Black-Breasted Pheasant (Phasianus elegans bianchii), and the Prince of Wales's Black-Breasted Pheasant (Phasianus elegans principalis), the black-necked pheasant has twelve recognized subspecies within three subspecies groups: the Phasianus colchicus decollatus group that contains the Kweichow Black-Necked Pheasant (Phasianus colchicus decollatus) and the Sungpan Black-Necked Pheasant (Phasianus colchicus suehschanensis), the Phasianus colchicus tarimensis group that contains the Satchu Black-Necked Pheasant (Phasianus colchicus satscheuensis), the Gangdisi Shan Black-Necked Pheasant (Phasianus colchicus gangdisishanensis), the Tarim Black-Necked Pheasant (Phasianus colchicus tarimensis), and the Yarkland Ring-Necked Pheasant (Phasianus colchicus shawii), and the Phasianus colchicus colchicus group that contains the Amu-Darya Black-Necked Pheasant (Phasianus colchicus zarudnyi), the Persian Black-Necked Pheasant (Phasianus colchicus persicus), the Talisch Black-Necked Pheasant (Phasianus colchicus talischensis), the Caucasian Black-Necked Pheasant (Phasianus colchicus colchicus), the Turkish Black-Necked Pheasant (Phasianus colchicus turcicus), and the Caspian Black-Necked Pheasant (Phasianus colchicus septentrionalis), the ring-necked pheasant has eighteen recognized subspecies within five subspecies groups: the Phasianus torquatus sohokhotensis group that contains the Strauch's Ring-Necked Pheasant (Phasianus torquatus strauchi), the Sohokhoto Ring-Necked Pheasant (Phasianus torquatus sohokhotensis), and the Alashan Ring-Necked Pheasant (Phasianus torquatus alaschanicus), the Phasianus torquatus torquatus group that contains the Tonkinese Ring-Necked Pheasant (Phasianus torquatus takatsukasae), the Shandong Ring-Necked Pheasant (Phasianus torquatus shandongensis), the Sichuan Ring-Necked Pheasant (Phasianus torquatus torquatus), the Hainan Ring-Necked Pheasant (Phasianus torquatus hainanus), and the Formosan Ring-Necked Pheasant (Phasianus torquatus formosanus), the Phasianus torquatus karpowi group that contains the Shansi Ring-Necked Pheasant (Phasianus torquatus kiangsuensis), the Mandarin Ring-Necked Pheasant (Phasianus torquatus liaoningensis), the Manchurian Ring-Necked Pheasant (Phasianus torquatus pallasi), and the Korean Ring-Necked Pheasant (Phasianus torquatus karpowi), the Phasianus torquatus hagenbecki group that contains the Kobdo Ring-Necked Pheasant (Phasianus torquatus hagenbecki) and the Ruo Shui Ring-Necked Pheasant (Phasianus torquatus edzinensis), and the Phasianus torquatus mongolicus group that contains the Mongolian Ring-Necked Pheasant (Phasianus torquatus mongolicus), the Zerafshan Ring-Necked Pheasant (Phasianus torquatus zerafschanicus), the Syr-Darya Ring-Necked Pheasant (Phasianus torquatus turcestanicus), and the Aral Ring-Necked Pheasant (Phasianus torquatus bergii), and the green pheasant has three recognized subspecies: the Southern Green Pheasant (Phasianus versicolor versicolor), the Pacific Green Pheasant (Phasianus versicolor tamensis), and the Northern Green Pheasant (Phasianus versicolor robustipes).
Common pheasants are gamebirds that constitute the genus Phasianus, they are native to Asia and are known for their wattle structure, there are four extant species of common pheasant: the Black-Breasted Pheasant (Phasianus elegans), the Black-Necked Pheasant (Phasianus colchicus), the Ring-Necked Pheasant (Phasianus torquatus), and the Green Pheasant (Phasianus versicolor), the black-breasted pheasant has six recognized subspecies within two subspecies groups: the Phasianus elegans elegans group that contains the Rothschild's Black-Breasted Pheasant (Phasianus elegans rothschildi), the Stone's Black-Breasted Pheasant (Phasianus elegans elegans), and the Qinghai Black-Breasted Pheasant (Phasianus elegans vlangallii) and the Phasianus elegans principalis group that contains the White-Winged Black-Breasted Pheasant (Phasianus elegans chrysomelas), the Bianchi's Black-Breasted Pheasant (Phasianus elegans bianchii), and the Prince of Wales's Black-Breasted Pheasant (Phasianus elegans principalis), the black-necked pheasant has twelve recognized subspecies within three subspecies groups: the Phasianus colchicus decollatus group that contains the Kweichow Black-Necked Pheasant (Phasianus colchicus decollatus) and the Sungpan Black-Necked Pheasant (Phasianus colchicus suehschanensis), the Phasianus colchicus tarimensis group that contains the Satchu Black-Necked Pheasant (Phasianus colchicus satscheuensis), the Gangdisi Shan Black-Necked Pheasant (Phasianus colchicus gangdisishanensis), the Tarim Black-Necked Pheasant (Phasianus colchicus tarimensis), and the Yarkland Ring-Necked Pheasant (Phasianus colchicus shawii), and the Phasianus colchicus colchicus group that contains the Amu-Darya Black-Necked Pheasant (Phasianus colchicus zarudnyi), the Persian Black-Necked Pheasant (Phasianus colchicus persicus), the Talisch Black-Necked Pheasant (Phasianus colchicus talischensis), the Caucasian Black-Necked Pheasant (Phasianus colchicus colchicus), the Turkish Black-Necked Pheasant (Phasianus colchicus turcicus), and the Caspian Black-Necked Pheasant (Phasianus colchicus septentrionalis), the ring-necked pheasant has eighteen recognized subspecies within five subspecies groups: the Phasianus torquatus sohokhotensis group that contains the Strauch's Ring-Necked Pheasant (Phasianus torquatus strauchi), the Sohokhoto Ring-Necked Pheasant (Phasianus torquatus sohokhotensis), and the Alashan Ring-Necked Pheasant (Phasianus torquatus alaschanicus), the Phasianus torquatus torquatus group that contains the Tonkinese Ring-Necked Pheasant (Phasianus torquatus takatsukasae), the Shandong Ring-Necked Pheasant (Phasianus torquatus shandongensis), the Sichuan Ring-Necked Pheasant (Phasianus torquatus torquatus), the Hainan Ring-Necked Pheasant (Phasianus torquatus hainanus), and the Formosan Ring-Necked Pheasant (Phasianus torquatus formosanus), the Phasianus torquatus karpowi group that contains the Shansi Ring-Necked Pheasant (Phasianus torquatus kiangsuensis), the Mandarin Ring-Necked Pheasant (Phasianus torquatus liaoningensis), the Manchurian Ring-Necked Pheasant (Phasianus torquatus pallasi), and the Korean Ring-Necked Pheasant (Phasianus torquatus karpowi), the Phasianus torquatus hagenbecki group that contains the Kobdo Ring-Necked Pheasant (Phasianus torquatus hagenbecki) and the Ruo Shui Ring-Necked Pheasant (Phasianus torquatus edzinensis), and the Phasianus torquatus mongolicus group that contains the Mongolian Ring-Necked Pheasant (Phasianus torquatus mongolicus), the Zerafshan Ring-Necked Pheasant (Phasianus torquatus zerafschanicus), the Syr-Darya Ring-Necked Pheasant (Phasianus torquatus turcestanicus), and the Aral Ring-Necked Pheasant (Phasianus torquatus bergii), and the green pheasant has three recognized subspecies: the Southern Green Pheasant (Phasianus versicolor versicolor), the Pacific Green Pheasant (Phasianus versicolor tamensis), and the Northern Green Pheasant (Phasianus versicolor robustipes).