Sichuan Treecreeper
Certhia tianquanensis
Treecreepers (Certhiidae) · Passeriformes (Passeriformes)
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Famiglia
The treecreepers are a family, Certhiidae, of small passerine birds, widespread in wooded regions of the Northern Hemisphere. The family contains nine species in one genus, Certhia. Their plumage is dull-coloured.
Ordine
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 …