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Overview
Common chlorospingus

Common chlorospingus

Wikipedia

The common chlorospingus, also referred to as common bush tanager, is a small passerine bird. It is a resident breeder in the highlands from central Mexico south to Bolivia and northwest Argentina. C. flavopectus in the loose sense is a notorious cryptic species complex, and several of the up to 25 subspecies recognized in recent times are likely to be distinct species. Some populations in fact appear to be more distinct than several other members of Chlorospingus.

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Distribution

Region

Mesoamerica and Andes Mountains

Typical Environment

Occurs from highland Mexico through Central America to the Andes of Colombia, Ecuador, Peru, Bolivia, and northwest Argentina. It favors humid montane evergreen and cloud forests, forest edges, and second-growth with dense understory. Birds often move through midstory to canopy layers, frequently along ridges and in bamboo or epiphyte-laden thickets. It adapts reasonably well to selectively logged or fragmented habitats so long as moisture and structure remain. Local upslope or downslope movements track food availability and weather.

Altitude Range

900–3000 m

Climate Zone

Highland

Characteristics

Size12–14 cm
Wing Span18–22 cm
Male Weight0.02 kg
Female Weight0.019 kg
Life Expectancy6 years

Ease of Keeping

Beginner friendly: 1/5

Useful to know

Also called the common bush tanager, this species is a hyper-social montane songbird that forages in mixed-species flocks. Despite its name, it is not a true tanager; genetics place it with New World sparrows. It forms a cryptic species complex with many subtly different regional forms. It thrives in humid cloud forests rich in epiphytes and bamboo.

Gallery

Bird photo
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Bird photo

Behaviour

Temperament

social and active

Flight Pattern

short rapid wingbeats

Social Behavior

Commonly travels in noisy, fast-moving flocks and readily joins mixed-species foraging parties. Pairs nest within territories embedded in flock home ranges, building a cup nest in dense vegetation. Both sexes attend the nest and feed the young. Monogamous pairing is typical during the breeding season.

Migratory Pattern

Resident

Song Description

Song is a thin, sibilant series of high, lisping phrases, often delivered from mid-canopy cover. Calls are sharp chips and soft tsee notes used to maintain flock contact. Vocalizations vary subtly across the complex.

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