Barking imperial pigeon occurring in small flocks on fruiting trees. The breeding season of this species is from May to January, with a single egg being laid on an insubstantial twig nest. Barking imperial pigeon The barking imperial pigeon ("Ducula latrans"), also known as Peale's imperial pigeon, is a species of bird in the pigeon family Columbidae. It is endemic to Fiji, where it occurs on most of the medium and large islands. Its natural habitats are mature tropical moist lowland forests and tropical moist montane forest. The species is one of two imperial-pigeons found in Fiji; the other, the Pacific imperial pigeon,
Imperial units firearms and ammunition. Imperial measures are still used in the description of cartridge types, even when the cartridge is of relatively recent invention (e.g., .204 Ruger, .17 HMR, where the calibre is expressed in decimal fractions of an inch). However, ammunition that is already classified in metric is still kept metric (e.g., 9×19mm). In the manufacture of ammunition, bullet and powder weights are expressed in terms of grains for both metric and imperial cartridges. As in most of the western world, air navigation is based on "nautical" units, e.g., the nautical mile, which is neither imperial nor metric, though altitude