Imperial staircase to imperial staircases are more often of just two flights (hence the name) leaving the ground symmetrically to join one common destination. Occasionally, especially in the architecture of the Sicilian Baroque, they will leave the ground as one flight and then divide, but this is less common. One may also see an imperial staircase in the form of two flights rising to join and then continue as one flight, but this is rare. Imperial staircase An imperial staircase (sometimes erroneously known as a "double staircase") is the name given to a staircase with divided flights. Usually the first flight rises
Imperial pigeon distributed throughout the Pacific. The Pacific ("D. pacifica") and the Micronesian ("D. oceania") imperial pigeons are similar allospecies, while the Polynesian ("D. aurorae") and Marquesan ("D. galeata") imperial pigeons are larger birds with dark plumage. The red-knobbed imperial pigeon ("D. rubricera") and the spice imperial pigeon ("D. myristicivora") are similar but found in Melanesia and New Guinea. c) The "finschii" subgroup of four species which may be New Guinea representatives of "D. aenea" stock; the purple-tailed ("D. rufigaster"), cinnamon-bellied ("D. basilica") and Finsch's imperial pigeons, which all inhabit offshore islands. The shining or rufescent imperial pigeon ("D. chalconota") occupies more