4MiB, 3121x610, 17456342211.png View SameGoogleiqdbSauceNAO Anonymous Tue 13 Apr 15:12:32 2021 No.12969315 ViewReplyOriginalReport Quoted By: >>12969322 Anyone know what causes marine mammals to have gray skin instead of the light or dark beige of other mammals? Is it structural coloration or pigments?
