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Siberian Tiger Park (东北虎林园)
Siberian Tiger Park (东北虎林园), Harbin, Heilongjiang: captive Amur tiger breeding and tourism park founded 1996 under the 1986 Hengdaohezi Feline Breeding Center, holding nearly 1,000 tigers, funded by a 'raise tigers on tigers' ticket-revenue model.
Siberian Tiger Park (长春东北虎园)
Siberian Tiger Park (长春东北虎园, Jilin Siberian Tiger Park) is a 50-hectare free-range wildlife park in Jingyuetan Forest Park, Changchun, opened 2009; it rescues and breeds endangered wildlife, keeps pandas Chuxin and Muyun, and pilots drone feeding.
Siberut Biosphere Reserve
Siberut Biosphere Reserve (Cagar Biosfer Pulau Siberut), a UNESCO Man and the Biosphere site designated in 1981 on Siberut Island, Mentawai Archipelago, West Sumatra, Indonesia; 403,000 ha with Siberut National Park as core area and four endemic Mentawai primates.
Sibugay Wetland Nature Reserve
Sibugay Wetland Nature Reserve (SWNR), Ramsar Site No. 2552, is the Philippines' ninth and largest Ramsar site: 175,551 ha of Sibugay Bay wetlands in Zamboanga Sibugay, Mindanao, holding the country's largest flying fox colony and EAAFP Flyway Network Site EAAF 160.
Sichang Marine Animal Banks
Sichang Marine Animal Banks is a community marine conservation and breeding center on Ko Sichang, Chon Buri, Thailand, run by Chulalongkorn University and local fishermen to restock five species.
Sichuan Changshagongma Wetlands
Sichuan Changshagongma Wetlands (四川长沙贡玛湿地), a 669,800-ha alpine wetland Ramsar site (no. 2348, 2018) in Shiqu County, Sichuan, China; a National Nature Reserve since 2009 and key water source for the upper Yangtze and Yellow River.
Sichuan Giant Panda Sanctuaries - Wolong, Mt Siguniang and Jiajin Mountains
Sichuan Giant Panda Sanctuaries (四川大熊猫栖息地), also Wolong, Mt Siguniang and Jiajin Mountains: UNESCO natural World Heritage Site since 2006 in Sichuan, China, holding over 30% of wild giant pandas across 924,500 ha.
Sichuan Ruoergai Wetland National Nature Reserve
Sichuan Ruoergai Wetland National Nature Reserve (四川若尔盖湿地国家级自然保护区), a 166,570 ha Ramsar reserve on the Qinghai-Tibet Plateau protecting the world's largest alpine peat swamp wetland and black-necked cranes, feeding the upper Yellow River.
Sidoloucum
Sidoloucum, also reconstructed as Siduolocum, was a Gallo-Roman vicus of the Aedui at modern Saulieu, Côte-d'Or, on the Lyon–Boulogne road; attested in the Antonine Itinerary, Peutinger Table, Ammianus, and Autun milestones.
Sidorovka Burial Ground
Sidorovka Burial Ground (Могильник Сидоровка), a Sargat culture early Iron Age kurgan cemetery in the Omsk Irtysh region, published by Matyushchenko and Tataurova in 1997, with an elite warrior burial and imported Central Asian goods; distinct from the Sidorovo hillfort on the Seversky Donets.
Siedlung Forschner
Siedlung Forschner, UNESCO pile-dwelling site DE-BW-15 at Bad Buchau in the Federsee fen, Germany: a fortified Early and Middle Bronze Age bog settlement (1767–1480 BC), the only fortified Middle Bronze Age settlement preserved in a bog north of the Alps.
Sierra de Alamos - Rio Cuchujaqui Biosphere Reserve
Sierra de Alamos - Rio Cuchujaqui Biosphere Reserve (APFF Sierra de Álamos-Río Cuchujaqui), a 92,889.69-hectare Sonora, Mexico protected area decreed 1996, UNESCO MAB 2007 and Ramsar site, holding the northernmost tropical deciduous forest and jaguar, macaw, and Heloderma populations.
Sierra de Grazalema Biosphere Reserve
Sierra de Grazalema Biosphere Reserve (Reserva de la Biosfera Sierra de Grazalema), UNESCO MaB site designated 22 January 1977, one of Spain's first two; 53,411 ha karst mountains in Cádiz and Málaga with pinsapo fir forests, over 2,000 mm annual rainfall, and 15 municipalities.
Sierra de Huautla Biosphere Reserve
Sierra de Huautla Biosphere Reserve (REBIOSH) is a federally protected reserve in southern Morelos, Mexico, noted for being one of the last conserved deciduous tropical forests in Mexico.
Sierra de las Minas Biosphere Reserve
Sierra de las Minas Biosphere Reserve, Guatemala, UNESCO MAB site since 1992; 240,537 ha holding 60% of the country's cloud forest, 885 vertebrate species, and 294 water bodies feeding the Polochic and Motagua basins.
Sierra de las Nieves Biosphere Reserve
Sierra de las Nieves Biosphere Reserve (Reserva de la Biosfera Sierra de las Nieves), UNESCO MAB reserve in Málaga, Spain, designated 1995; 98,106 ha of Betica limestone mountains, world's largest pinsapo fir forests, Pico Torrecilla 1,919 m, expanded about 5,000 ha in 2026.
Sierra de Manantlán Biosphere Reserve
The Sierra de Manantlán Biosphere Reserve is a protected area in Jalisco and Colima, western Mexico, established in 1987 and home to all six of Mexico's wild cat species.
Sierra de San Francisco
Sierra de San Francisco, Baja California Sur, Mexico: mountain range with the Great Mural prehistoric rock paintings, a UNESCO World Heritage Site since 1993, over 400 recorded sites, radiocarbon dates back at least 7,500 years, managed by INAH.
Sierra Gorda Biosphere Reserve
Sierra Gorda Biosphere Reserve (Reserva de la Biosfera Sierra Gorda), a UNESCO MAB reserve in Querétaro, Mexico, decreed 1997; biogeographic convergence zone with 1,718 plant and 363 bird species, ecotourism economy, and mercury-mining threats.
Sierra La Laguna Biosphere Reserve
HP Sierra la Laguna (Reserva de la Biosfera Sierra La Laguna) is a 112,437-hectare biosphere reserve decreed in 1994 in Baja California Sur, Mexico, protecting the state's only pine-oak forest, its main aquifer recharge zone, and many endemic species.
Sierra Leone River Estuary
Sierra Leone River Estuary: 295,000-ha estuarine and mangrove wetland near Freetown, Ramsar site no. 1014 since 1999, third-largest natural harbor, key waterbird and manatee habitat, an MPA with weak legal protection.
Sierra Morena de Sevilla UNESCO Global Geopark
Sierra Morena de Sevilla UNESCO Global Geopark, formerly Sierra Norte de Sevilla, is a 177,484-hectare natural park in northern Seville province, Spain, a UNESCO Global Geopark since 2015, home to the El Pintado 1 Ordovician–Silurian GSSP.
Sierra Nevada de Santa Marta Biosphere Reserve
Sierra Nevada de Santa Marta Biosphere Reserve (Reserva de Biósfera, UNESCO MAB 1979), northern Colombia; world's highest coastal mountain (5,775 m, 42 km from the Caribbean), ranked the most irreplaceable protected area for threatened species, home of the Kogui, Wiwa, Arhuaco, and Kankuamo peoples.
Sievering
Sievering is a suburban quarter of Vienna's 19th district, Döbling, formed from the former wine-growing villages of Obersievering and Untersievering, first recorded as Sufringen in 1114 and part of Vienna since 1890/92.
Sigiriya (සීගිරිය)
Sigiriya (සීගිරිය), also called Sinhagiri or Lion Rock, is a 5th-century rock fortress and palace built by King Kassapa I in central Sri Lanka, inscribed by UNESCO in 1982.
Signilskär-Märket Archipelago
Signilskär-Märket Archipelago, Ramsar site no. 5 in Åland, Finland, designated 1974: about 50 treeless islands near the Swedish border, rich birdlife, a 1927 bird-banding station, grey seals at Märket, and oil pollution as the main threat.
Sihor Mound
The Sihor Mound is an ancient archaeological mound in Bhavnagar district, Gujarat, India, protected as a monument of national importance by the Archaeological Survey of India.
Sijungho Pleasure Ground
Sijungho Pleasure Ground (시중호 유원지) is a tourist site at Sijung Lake in Tongchon County, Kangwon Province, North Korea, distinct from the Sinjeongho lake park in Asan, South Korea.
Sikhote-Alin Biosphere Reserve
Sikhote-Alin Biosphere Reserve (Сихотэ-Алинский заповедник), a UNESCO MAB reserve since 1978 in the Russian Far East, centered on a 1935 zapovednik; core of the Central Sikhote-Alin World Heritage site and Amur tiger stronghold.
Sila Biosphere Reserve
Sila Biosphere Reserve, a UNESCO MAB reserve in Calabria, Italy, designated 14 June 2014 as the 10th Italian biosphere reserve; includes Sila National Park, about 1,700 km², endemic black pine forests and roughly 1,000 vascular plants.