Madagascar is a large island in the Indian Ocean located 400 kilometres (250 mi) off the eastern coast of Southern Africa, east of Mozambique. It has a total area of 587,040 square kilometres (226,660 sq mi) with 581,540 square kilometres (224,530 sq mi) of land and 6,900 square kilometres (2,700 sq mi) of water. Madagascar is the fourth-largest island in the world. The highest point is Maromokotro, in the Tsaratanana Massif region in the north of the island, at 2,876 metres (9,436 ft).
The Selenga or Selenge is a major river in Mongolia and Buryatia, Russia. Originating from its headwater tributaries, the Ider and the Delger mörön, it flows for 992–1,024 kilometres (616–636 mi) before draining into Lake Baikal. The Selenga therefore makes up the most distant headwaters of the Yenisey-Angara river system.
The River Towy is one of the longest rivers flowing entirely within Wales. Its total length is 120 km (75 mi). It is noted for its sea trout and salmon fishing.
The California Central Valley grasslands is a temperate grasslands, savannas, and shrublands ecoregion in California's Central Valley. It a diverse ecoregion containing areas of desert grassland, prairie, savanna, riparian forest, marsh, several types of seasonal vernal pools, and large lakes such as now-dry Tulare Lake, Buena Vista Lake, and Kern Lake.
Kakamega Forest is a tropical rainforest situated in the Kakamega, Vihiga, and Nandi County of Kenya, northwest of the capital Nairobi, and near the border with Uganda. It is Kenya's only tropical rainforest and is said to be Kenya's last remnant of the ancient Guineo-Congolian rainforest that once spanned the continent.
Onilahy is a river in Atsimo-Andrefana and Anosy, southern Madagascar. It flows down from the hills near Betroka to the Mozambique Channel. It empties at St. Augustin, and into the Bay of Saint-Augustin.
Difficult Run is a 15.9-mile-long (25.6 km) tributary stream of the Potomac River in Northern Virginia in the United States. The area has had many historical uses dating back to the early 1800s. Today, the area is used recreationally by visitors interested in the watershed's variety of options including hiking, biking, fishing, boating, climbing, and bird watching. The wildlife at Difficult Run is vast as 163 different species can be seen depending on the season. There are 41 different soil types found on the trail and alongside the stream. The stream is part of the greater 57.7- square-mile Drainage basin, or watershed, located in the north-central portion of Fairfax County, Virginia and drains directly to the Potomac River.
Vicente Pérez Rosales National Park is located in Los Lagos Region, Llanquihue Province, of Chile. Its western entrance is close to the Ensenada locality, 82 km (51 mi) northeast of the provincial capital of Puerto Montt, and 64 km (40 mi) from Puerto Varas along Ruta CH-225. This national park covers about 2,530 km2 (977 sq mi) and is almost entirely in the Andes mountain chain. The adjacent national parks Vicente Pérez Rosales and Puyehue National Park in Chile, and Nahuel Huapi National Park and Lanín National Park in Argentina, provide a continuous protected area of close to 15,000 km2 (5,792 sq mi).
Los Nevados National Natural Park is a national park located in the Cordillera Central of the Colombian Andes. The park features Colombia's highest and northernmost active volcanoes including the glacier-capped Nevado del Ruiz, Nevado del Tolima, and Nevado de Santa Isabel, and the glacier-free superpáramo peaks (paramillos) of Cisne, Santa Rosa and Quindío. Other elevated structures of volcanic origin within the park are Alto La Piraña, La Olleta, Cerro España, and the Peñas de Caracoli. Cerro Bravo and Cerro Machín are located outside the park but part of the same volcanic region.
The Sakalava rail is a species of bird in the family Rallidae. It is endemic to western Madagascar. This bird is small with brown upperpart feathers, grey underparts, a yellow bill and red legs.
Ptychochromoides itasy is a species of cichlid fish from central Madagascar. Until rediscovered in a pond at a tributary of the Tsiribihina River in late 2010, it was only known from Lake Itasy where last seen in the 1970s. The reason for its extirpation from Lake Itasy was likely habitat degradation and competition/predation by introduced species.
Itasy is a region in central Madagascar. It borders Analamanga region in northeast, Vakinankaratra in south and Bongolava in northwest. The capital of the region is Miarinarivo, and the population was 897,962 in 2018. It is the smallest of all the 22 regions in area with 6,993 km2 (2,700 sq mi), and is the most densely populated region after Analamanga.
The Comoros forests is a terrestrial ecoregion which covers the Comoro Islands, which lie in the Mozambique Channel between Madagascar and East Africa. These include four main islands: Grande Comore, Anjouan and Mohéli, of the Union of the Comoros, and Mayotte, a department and region of France.
The Tsiribihina is a river of western Madagascar.
The Sakay River is a waterway in Bongolava, Madagascar, and passes through the towns of Ankadinondry Sakay and Mahasolo.
Analavelona, also known as Analavelona Massif, is a mountain in southwestern Madagascar. The massif is home to an enclave of montane subhumid forest, which is considered a sacred forest by the local people and notable for its biodiversity.
The Sakeny River is a river in Western Madagascar. It is a tributary of the Tsiribihina River.
The Makay Massif is a mountain range in western Madagascar.
The Mahavavy Sud, also known as the Mahavavy South, is a river in western Madagascar. It flows from south to north through the regions of Melaky, Betsiboka, Bongolava and Boeny. It has a length of approximately 410 km (250 mi), and drains a basin of 16,475 km2 (6,361 sq mi). It is distinct from the Mahavavy Nord several hundred km to the north.
The Lily River is a river in central Madagascar. It is the main outflow of Lake Itasy, and flows northwestward to join the Sakay River, a tributary of the Tsiribihina.
