Kingfisher in length and between in weight. The largest kingfisher in Africa is the giant kingfisher ("Megaceryle maxima"), which is in length and in weight. The familiar Australian kingfisher known as the laughing kookaburra ("Dacelo novaeguineae") is the heaviest species with females reaching nearly in weight. The plumage of most kingfishers is bright, with green and blue being the most common colours. The brightness of the colours is neither the product of iridescence (except in the American kingfishers) or pigments, but is instead caused by the structure of the feathers, which causes scattering of blue light (the Tyndall effect). In most
Ruddy kingfisher Ruddy kingfisher The ruddy kingfisher ("Halcyon coromanda") is a medium-sized tree kingfisher, widely distributed in east and southeast Asia. Reaching approximately 25 cm, the ruddy kingfisher has a very large, bright red bill and equally red legs. The body is rust red, generally deepening to purple at the tail. There is little sexual dimorphism though some sources report male birds being somewhat brighter in plumage. Due to its preference for heavily forested areas, the kingfisher's high, descending call is more often heard than the bird itself is seen, and these birds generally travel singly or in pairs. The ruddy kingfisher