Hylocitrea
Hylocitrea bonensis
Hylocitrea (Hylocitreidae) · Passeriformes (Passeriformes)
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Family
The hylocitrea (Hylocitrea bonensis), also known as the yellow-flanked whistler or olive-flanked whistler, is a species of bird endemic to montane forests on the Indonesian island of Sulawesi. It is monotypic within the genus Hylocitrea. It was traditionally considered a member of the family Pachycephalidae, but recent genetic evidence suggests it should be placed in a monotypic family of its own, Hylocitreidae, related to the waxwings in the family Bombycillidae, the hypocolius in the family Hypocoliidae, the palmchat in the …
Order
A passerine () is any bird of the order Passeriformes (; from Latin passer 'sparrow' and formis '-shaped'), which includes more than half of all bird species. Sometimes known as perching birds, passerines generally have an anisodactyl arrangement of their toes (three pointing forward and one back), which facilitates perching. With more than 140 families and some 6,500 identified species, Passeriformes is the largest order of birds and one of the most diverse clades of terrestrial vertebrates, representing 60% of …