The Plain-bellied Emerald (Amazilia leucogaster) is a species of hummingbird

Hummingbird

Hummingbirds are birds that comprise the family Trochilidae. They are among the smallest of birds, most species measuring in the 7.5–13 cm range. Indeed, the smallest extant bird species is a hummingbird, the 5-cm Bee Hummingbird. They can hover in mid-air by rapidly flapping their wings...

 in the Trochilidae family. It is found from north-eastern Venezuela

Venezuela

Venezuela , officially called the Bolivarian Republic of Venezuela , is a tropical country on the northern coast of South America. It borders Colombia to the west, Guyana to the east, and Brazil to the south...

, through the Guianas, to around São Luís

São Luís, Maranhão

São Luís is the capital and largest city of the Brazilian state of Maranhão. The city is located on Ilha de São Luís in the Baía de São Marcos , an extension of the Atlantic Ocean which forms the estuary of Pindaré, Mearim, Itapecuru and other rivers. Its coordinates are 2.53° south, 44.30° west...

 in Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

. Smaller disjunct

Disjunct distribution

In biology, a taxon with a disjunct distribution is one that has two or more groups that are related but widely separated from each other geographically...

 population are found in north-eastern Brazil as far south as Bahia

Bahia

Bahia is one of the 26 states of Brazil, and is located in the northeastern part of the country on the Atlantic coast. It is the fourth most populous Brazilian state after São Paulo, Minas Gerais and Rio de Janeiro, and the fifth-largest in size...

. It occurs in a wide range of semi-open habitats, primarily in coastal regions. It is generally fairly common, and therefore considered to be of least concern

Least Concern

Least Concern is an IUCN category assigned to extant taxon or lower taxa which have been evaluated but do not qualify for any other category. As such they do not qualify as threatened, Near Threatened, or Conservation Dependent...

 by BirdLife International

BirdLife International

BirdLife International is a global Partnership of conservation organisations that strives to conserve birds, their habitats and global biodiversity, working with people towards sustainability in the use of natural resources...

 and consequently the IUCN. The flanks and upperparts are green, often tinged golden on the lower back and rump, while the underparts are white. The central rectrices are golden, while the outer rectrices are dark blue with narrow whitish tips. The slightly decurved bill is black with a flesh-coloured base to the lower mandible.