Table 1.

Average levels of genetic diversity and divergence for 12 Z-linked (Z) and eight autosomal (A) intronic loci in L. megarhynchos (LM) and L. luscinia (LL)

Chr	Lengtha	Species	N b	S c	π (%)d	θ (%)e	Dxy (%)f
Z	6,868	LM	31–50	98	0.285	0.327	4.629
		LL	22–50	161	0.393	0.556	4.441
A	3,826	LM	38–50	111	0.796	0.679	3.927
		LL	34–50	176	0.850	0.994	3.944

^aThe total length of intronic sequences in bp

^bNumbers of analyzed haploid sequences for individual loci

^cThe total number of segregating sites

^dAverage number of nucleotide differences, averaged across loci

^eProportion of polymorphic sites, averaged across loci

^fAbsolute divergence to L. svecica measured as average pairwise divergence, averaged across loci