ecological bias
People prefer things to be depicted in images the way they exist in nature. For example, we prefer when an elephant is portrayed as large and a mouse as small, compared to a giant mouse and a mini elephant. Reference: S. E. Palmer, K. B. Schloss, and J. Sammartino, „Visual aesthetics and human preference“, Annu. Rev. Psychol., Bd. 64, S. 77–107, 2013, doi: 10.1146/annurev-psych-120710-100504.