Table 3. Percentage of aberrant coat patterns of Polynesian rats per region.

The time spent is an average value, estimated based on the majority of the relevant islands (see Fig. 1). Abnormalities are the combined cases of melanism and leucism. The albino specimen from the Mainland is here excluded (see Results section).

Region	Time spent in situ (ka)	Number of specimens	Abnormalities
			total	%	female	male
Mainland	2,200	370	0	0	0	0
Melanesia	3.4–3.2	757	0	0	0	0
Micronesia	1.75	292	2	0.68	2	0
Polynesia	0.80	424	4	0.94	3	1
Sunda Shelf	12	478	2	0.42	1	1
Wallacea	4–3.5	722	6	0.83	3	3
Total		3,043	14	0.46	7	5