Sturnidae Stock Video Footage


sturnidae

Starlings are medium-sized passerines. The shortest-bodied species is Kenrick's starling (Poeoptera kenricki), at 15 centimetres (6 in), but the lightest-weight species is Abbott's starling (Poeoptera femoralis), which is 34 grams (1.2 oz). The largest starling, going on standard measurements and perhaps weight, is the Nias hill myna (Gracula robusta). This species can measure up to 36 cm (14 in) and, in domestication they can weigh up to 400 g (14 oz). Rivalling the prior species in bulk if not dimensions, the mynas of the genus Mino are also large, especially the yellow-faced (M. dumontii) and long-tailed mynas (M. kreffti). The longest species in the family is the white-necked myna (Streptocitta albicollis), which can measure up to 50 cm (20 in), although around 60% in this magpie-like species is comprised by its very long tail. There is less sexual dimorphism in plumage, however, with only 25 species showing such differences between the two sexes. The plumage of the starling is often brightly coloured due to iridescence this colour is derived from the structure of the feathers, not from any pigment. Some species of Asian starling have crests or erectile feathers on the crest. Other ornamentation includes elongated tail feathers and brightly coloured bare areas on the face. These colours can be derived from pigments, or, as in the Bali starling, structural colour, caused by light scattering off parallel collagen fibres. The irises of m...




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