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? song. Lopez's vocals for the song were recorded and produced by Kuk Harrell, with recording assistance from Jim Annunziato and Josh Gudwin at Conway Studios in Hollywood, California. Annunziato and Eric Eylands handled audio engineering of "(What Is) Love?", while the song was later mixed by Mike "Handz" Donaldson at Chalice Recording Studios in Los Angeles, California. "(What Is) Love?" deals with the topic of "not knowing what love is". The song's co-writer Gordon stated that: "I felt like so many woman have that same story. No fathers, families, abusive boyfriends and husbands..no parental support, they feel alone .. I've