Ritch Savin-Williams and Zhana Vrangalova (2013); Jeremy Jabbour et al. (2020).
461
Alfred Kinsey et al. (1948), p. 639.
462
Milton Diamond, Nature loves variety, society hates it, interview, December 24, 2013, www.youtube.com/watch?v=6MvNisJ7FoQ.
463
Adam Rutherford (2020).
464
Simon LeVay (1996), p. 209.
465
David Greenberg (1988); Pieter Adriaens and Andreas de Block (2006).
466
Malcolm Potts and Roger Short (1999), p. 74.
467
Sergey Gavrilets and William Rice (2006).
468
Benedict Regan et al. (2001).
469
Frans de Waal (2009); Cammie Finch (2016).
470