Chilean Woodstar
A species of Chilean Woodstar Scientific name : Eulidia yarrellii Genus : Chilean Woodstar
Chilean Woodstar, A species of Chilean Woodstar
Botanical name: Eulidia yarrellii
Genus: Chilean Woodstar
Content
Description General Info
Description
It is the smallest bird in Chile, 7.2 to 7.5 cm long with the bill accounting for 1.5 cm of this. The bill is black, straight, slender, and fairly short, about the same length as the head. The tail is often held in a cocked position. The adult male is iridescent green above and whitish below with green sides. The throat is reddish-purple and blue, but often appears blackish. The tail is long, black, and forked, with long, pointed outer feathers that curve inwards. Females are green above and have a white throat, while the rest of the underparts are mostly very pale buff, darkest on the belly and thighs. The tail is short and slightly graduated with green inner feathers. The outer feathers are black with a rufous base and white tips. Immature males are similar to the female, but have a mottled throat and may have elongated outer tail feathers. The Peruvian sheartail is similar, but the male has two elongated white feathers in its tail, while the female tends to have a whiter belly and more buff throat than the woodstar. The tail is rarely cocked, but is frequently pumped vigorously up and down unlike the woodstar. The call is a series of rasping notes, quieter and less musical than the call of the Peruvian sheartail. The male has a high-pitched, buzzing display call. 
Size
8 cm
Feeding Habits
Chilean Woodstar primarily feed on nectar from various flowering plants and crops, including native trees, ornamentals, and alfalfa. They also catch insects mid-flight. Typically solitary feeders, chilean Woodstar sometimes congregate at abundant floral resources. They are known to consume nectar from flowers pre-opened by nectar robbers.
Habitat
Chilean Woodstar predominantly inhabits cultivated desert river valleys and gardens, found in arid regions where it frequents areas of human cultivation. These environments typically offer the floral resources necessary for its survival.
Dite type
Insectivorous
General Info
Distribution Area
It is currently known to breed only in the Azapa and Vitor valleys in Arica and Parinacota Region in far northern Chile. It formerly occurred in the Lluta River valley, but has not been found there during recent surveys. Also an old record was made from Antofagasta Province. In Peru, a number of sight records are from Tacna Region and possibly Moquegua Region, but the species has not been recorded recently. It inhabits scrub and thickets along river valleys within desert regions. It is mainly found lower than 750 m above sea level, but occasionally occurs above 2000 m. It prefers natural vegetation, feeding on native shrubs such as Geoffroea decorticans. It also occurs in gardens and fruit groves, feeding on the flowers of Lantana, Hibiscus and Citrus. It is a solitary feeder whose diet mainly consists of nectar.
Species Status
The species has a small and declining population and a world range estimated at just <1,200 km. Because of this, it is classed as endangered by Birdlife International. The population was estimated at 1,200 individuals in 2007 with 55% in the Azapa valley and 45% in the Vitor valley. Habitat loss is the main threat to the species, with only small patches of suitable native vegetation remaining. The effect of pesticides and competition with the Peruvian sheartail are possible threats, but this has not yet been proven. A species recovery plan was approved in 2004 which included plans for monitoring the population, restoring natural vegetation, studying competition with the Peruvian sheartail, and the possibility of reintroducing the birds in areas of their former range.
Scientific Classification
Phylum
Chordates Class
Birds Order
Swifts and hummingbirds Family
Hummingbirds Genus
Chilean Woodstar Species
Chilean Woodstar 
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