About: http://webisa.webdatacommons.org/231294280

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Believe me when I say that any color or morphological variation you see in this photos is purely individual, except the yellow coloration on the upper half of the eyes on the more southern population.
http://www.w3.org/ns/prov#wasQuotedFrom	straightdope.com