Table 1. Pearson and Spearman correlation between Didelphis virginiana phenotypic traits and latitude.

Trait	Sample size	Pearson correlation	Spearman correlation
Body length	348	0.314**	n.a.
Hindfoot length	345	0.284**	n.a.
Tail length	348	−0.613**	n.a.
Ear length	185	−0.172*	n.a.
Tail pigmentation	340	n.a.	−0.701***
Ear pigmentation	293	n.a.	−0.559***
Toe ventral pigmentation	334	n.a.	−0.583***
Toe dorsal pigmentation	338	n.a.	−0.548***
Rostrum lightness	345	n.a.	0.679***
Temporal region lightness	345	n.a.	0.719***
Cheek lightness
F	159	0.517***	n.a.
M	186	0.512***	n.a.
Torso lightness
F	159	0.298**	n.a.
M	186	0.251**	n.a.

Notes.

F

Females

M

Males

n.a

Not applicable

^*P < 0.05.

^**P < 0.001.

^***P < 0.0001.