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
Niau kingfisher the Journal of Wildlife Management, Kesler and his team of researchers have uncovered important information to help ensure the birds' survival and a unique way to attach radio transmitters to the birds to track them."Unfortunately, even with all our work to date, the population is still crashing," Kesler said. "We're seeing some turnover, but each year when we return, there are more empty territories and the population decreases. At this rate, these birds will be gone within our lifetime." Niau kingfisher The Niau kingfisher ("Todiramphus gertrudae") is a species of bird in the family Alcedinidae. It is endemic to the