Other birds include common pheasant, rose-ringed parakeet, ostrich, black swan, mute swan, silver pheasant, vulturine guineafowls, dalmatian pelican and many other types of water birds.
en.wikipedia.org Programmes that remain "value investors" won't attract the black swan companies on which the investment model is predicated.
techcitynews.com Thus, the black swan is an oft cited reference in philosophical discussions of the improbable.
en.wikipedia.org They are elegant, graceful designs, easily resembling elongated black swan wings in repose; layered geological contortions, or the energetic movements of an impassioned orchestral conductor.
en.wikipedia.org However, if one finds one single black swan, deductive logic admits the conclusion that the statement that all swans are white is false.
en.wikipedia.org