Royal Australasian Ornithologists Union early 20th century called themselves 'oologists', though the distinction between the notionally scientific discipline of oology and simple egg-collecting was blurred. Identification of any but the most common and distinctive species usually entailed the collection of specimens to be made into study skins. Modern field-guides did not exist and few people could afford the massive multi-volume, lavishly illustrated, handbooks of John Gould and Gregory Mathews. However, both Archibald J. Campbell and Alfred North had produced comprehensive guides to what was known about the nests and eggs of Australian birds, with illustrations of the eggs rather than of the birds themselves,
What Is Love An official music video was released directed by Soulvizion. It features the Dutch professional basketball player Don Rigters who plays the role of David Rose, a basketball player who is severely injured trying to make a comeback to the game with encouragement from his girlfriend, (played by Melissa Kanza), his three teammates, (Alkenah Wansing, Jeroen Jansen and Lindy Chippendel) and by his basketball coach (played by J E Rigters). What Is Love "What Is Love" is a song recorded by Trinidadian-German Eurodance artist Haddaway for his debut album, "The Album". The song is recognizable by its refrain "What is love?