''Polychrus liogaster'' or Boulenger's bush anole is a species of bush anole native to

Peru Peru, officially the Republic of Peru, is a country in western South America. It is bordered in the north by Ecuador and Colombia, in the east by Brazil, in the southeast by Bolivia, in the south by Chile, and in the south and west by the Pac ...

Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...

Bolivia Bolivia, officially the Plurinational State of Bolivia, is a landlocked country located in central South America. The country features diverse geography, including vast Amazonian plains, tropical lowlands, mountains, the Gran Chaco Province, w ...

, and

Ecuador Ecuador, officially the Republic of Ecuador, is a country in northwestern South America, bordered by Colombia on the north, Peru on the east and south, and the Pacific Ocean on the west. It also includes the Galápagos Province which contain ...

. The species is found in elevations of around 750 meters.

Description

The anole weighs 110.34 grams. The species has a blunt

snout A snout is the protruding portion of an animal's face, consisting of its nose, mouth, and jaw. In many animals, the structure is called a muzzle, Rostrum (anatomy), rostrum, beak or proboscis. The wet furless surface around the nostrils of the n ...

, with large and smooth scales on the head. Scales are widened and larger on the neck and around the same size on the tail;

ventral scales In snakes, the ventral scales or gastrosteges are the enlarged and transversely elongated scales that extend down the underside of the body from the neck to the anal scale. When counting them, the first is the anteriormost ventral scale that cont ...

are smooth. There is no

sexual dimorphism Sexual dimorphism is the condition where sexes of the same species exhibit different Morphology (biology), morphological characteristics, including characteristics not directly involved in reproduction. The condition occurs in most dioecy, di ...

in color and three black lines radiate from each eye. The species is arboreal and diurnal.

Distribution

The species is endemic to the western portion of the

Amazon rainforest The Amazon rainforest, also called the Amazon jungle or Amazonia, is a Tropical and subtropical moist broadleaf forests, moist broadleaf tropical rainforest in the Amazon biome that covers most of the Amazon basin of South America. This basin ...

. This includes along the banks and

tributaries A tributary, or an ''affluent'', is a stream or river that flows into a larger stream ('' main stem'' or ''"parent"''), river, or a lake. A tributary does not flow directly into a sea or ocean. Tributaries, and the main stem river into which the ...

Juruá River The Juruá River ( ; ) is a southern affluent river of the Amazon River west of the Purus River. The Juruá emerges from highlands in east-central Peru, then winds its way through lowlands in Brazil, sharing with this the bottom of the immense in ...

Purus River The Purus River (Portuguese: ''Rio Purus''; Spanish: ''Río Purús'') is a tributary of the Amazon River in South America. Its drainage basin is , and the mean annual discharge is . The river shares its name with the Alto Purús National Park a ...

Guaporé River Guaporé River (, ) is a river in western Brazil and northeastern Bolivia. It is long; of the river forms the border between Brazil and Bolivia. The Guaporé is part of the Madeira River basin, which eventually empties into the Amazon River. T ...

, and the

Madeira River The Madeira River ( ) is a major waterway in South America. It is estimated to be in length, while the Madeira-Mamoré is estimated near or in length depending on the measuring party and their methods. The Madeira is the biggest tributary of ...

. In Peru, ''Polychrus liogaster'' has been confirmed to be present in La Convención and

Bajo Puyantimarí The Bajo, Bajonese, Bajonesian, or Wajo, Wajonese (; ; , ) are the indigenous Indonesian ethnic group native to the Bajo Island of Lesser Sunda Islands (''Nusa Tenggara'') in Central–Eastern Indonesia region. These ethnic group can be found al ...

. In Bolivia, the species has been confirmed in Marbán, Ichilo, and Santa Cruz. The species' range in Brazil includes Amazonas,

Acre The acre ( ) is a Unit of measurement, unit of land area used in the Imperial units, British imperial and the United States customary units#Area, United States customary systems. It is traditionally defined as the area of one Chain (unit), ch ...

Mato Grosso Mato Grosso ( – ) is one of the states of Brazil, the List of Brazilian states by area, third largest by area, located in the Central-West Region, Brazil, Central-West region. The state has 1.66% of the Brazilian population and is responsible ...

, and

Rondônia Rondônia () is one of the 26 states of Brazil, located in the northern subdivision of the country (central-western part). It is bordered by Acre (state), Acre in the west, Amazonas, Brazil, Amazonas in the north, Mato Grosso in the east, and Bo ...

References

{{Taxonbar, from=Q5237940 Polychrotidae Reptiles described in 1908 Lizards of Brazil Reptiles of Bolivia Reptiles of Peru Reptiles of Ecuador Taxa named by George Albert Boulenger