The collared whitestart (Myioborus torquatus), also known as the collared redstart, is a tropical New World warbler endemic to the mountains of Costa Rica and western-central Panama. It is common at heights between 1,500 metres (5,000 ft) and the timberline in mossy mountain forests, ravines, second growth, and adjacent pastures. The collared whitestart is around 13 centimetres (5 in) in length with a weight of 10.5 grams (0.4 oz). It has a chestnut crown bordered with black, and a black forehead. The rest of the upperparts are slaty black, and the tail is black with white edges. The face and underparts are bright yellow, with a black band across the breast.Photograph: Simon Pierre Barrette
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