Southern boobook or house-lights. A widespread and generally common species, the southern boobook is listed as being a species of least concern by the International Union for Conservation of Nature, on account of its huge range and stable population, with no evidence of any significant decline. Like most species of owl, the southern boobook is protected by the Convention on International Trade in Endangered Species of Wild Fauna and Flora with its placement on the Appendix II list of vulnerable species, which makes the import, export, and trade of listed wild-caught animals illegal. A decline has occurred on the Swan Coastal Plain
Failure to refer the actual world, according to Russellian logic, most statements in the poem are false. Failure to refer Failure to refer, also reference failure or failure of reference, is the concept that names can fail to name a real object. According to Bertrand Russell's theory of truth, there is only one actual world, and a statement's truth value depends on whether the statement obtains in the actual world. Continuing the tradition of Gottlob Frege, Bertrand Russell posited that a name picks out, or refers to, a real object in the world (Russell's correspondence theory of truth). The name "Genghis Khan" thus