The Russet-crowned Warbler (Basileuterus coronatus) is a species of bird

Bird

Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...

 in the Parulidae family.
It is found in Bolivia

Bolivia

Bolivia officially known as Plurinational State of Bolivia , is a landlocked country in central South America. It is the poorest country in South America...

, Colombia

Colombia

Colombia, officially the Republic of Colombia , is a unitary constitutional republic comprising thirty-two departments. The country is located in northwestern South America, bordered to the east by Venezuela and Brazil; to the south by Ecuador and Peru; to the north by the Caribbean Sea; to the...

, Ecuador

Ecuador

Ecuador , officially the Republic of Ecuador is a representative democratic republic in South America, bordered by Colombia on the north, Peru on the east and south, and by the Pacific Ocean to the west. It is one of only two countries in South America, along with Chile, that do not have a border...

, Peru

Peru

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

, and 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...

.
Its natural habitat

Habitat

* Habitat , a place where a species lives and grows*Human habitat, a place where humans live, work or play** Space habitat, a space station intended as a permanent settlement...

s are subtropical or tropical moist montane forests and heavily degraded former forest.

Taxonomy

The order Passeriformes is characterized by the habit of its individuals to stand and perch. While the individuals are smaller than members of other orders, the order itself is one of the largest of all vertebrates.

The family Parulidae are the warblers of the New World. They are largely arboreal and very colorful, and they are unrelated to the Old World warblers (Sylviidae), and the Australian warblers (Acanthizidae).

List of subspecies

• Basileuterus coronatus castaneiceps 
• Basileuterus coronatus chapmani
• Basileuterus coronatus coronatus
• Basileuterus coronatus elatus
• Basileuterus coronatus inaequalis 
• Basileuterus coronatus notius 
• Basileuterus coronatus orientalis 
• Basileuterus coronatus regulus

Physical appearance

The Russet-crowned Warbler is approximately 14 cm in length. Among its distinguishing markings are the rust-orange crown, for which it is named, black crown-stripes and eye-line and otherwise gray face. Its breast is often pale yellow. The species exhibits no obvious sexual dimorphism.

Vocalization

It has a musical song typically delivered in a rapid phrase of rising pitch. The response by the mate, often delivered immediately following or shortly after, is a similar song of descending pitch.

Distribution

Most populations occur between 1500 and 3000 meters above sea level on either side of the Andes

Andes

The Andes is the world's longest continental mountain range. It is a continual range of highlands along the western coast of South America. This range is about long, about to wide , and of an average height of about .Along its length, the Andes is split into several ranges, which are separated...

throughout northern South America.

Habitat

Typically found in the subtropical and temperate forests, they can usually be found inhabiting dense under growth.