Table 2.

Coefficients of variation for bill traits of male Mexican jays (*p<0.01, **p<0.001).

trait	Sierra del Carmen		Chiricahua Mountains		F
	n	CV	n	CV
bill length	59	5.99	20	7.59	0.6
lower length	59	4.92	20	5.72	0.73
bill width	59	5.75	20	4.76	1.5
bill depth	59	4.29	18	2.72	4.79**
hook length	60	63.27	18	43.01	3.82*