Table 2. Avian species from the Nearctic showing two or more deeply divergent haplogroups at COI and intraspecific variation higher than 1.5%.

Family	Species	Max. intraspecific distance (%)*
Anatidae	Branta canadensis	1.8
	Bucephala islandica	1.6
Phasianidae	Lagopus lagopus	2.2
Procelariidae	Fulmarus glacialis	3.1
Scolopacidae	Tringa solitaria	5.4
Strigidae	Megascops kennicottii	3.1
Tyrannidae	Contopus sordidulus	1.6
Vireonidae	Vireo gilvus	4.0
Sittidae	Sitta canadensis	2.2
Corvidae	Aphelocoma californica	5.3
	Aphelocoma ultramarina	3.2
	Corvus corax	4.3
Paridae	Poecile gambeli	3.7
Aegithalidae	Psaltriparus minimus	3.6
Troglodytidae	Thryomanes bewickii	4.8
	Troglodytes troglodytes	6.4
	Cistothorus palustris	7.9
Turdidae	Catharus guttatus	3.2
Mimidae	Toxostoma curvirostre	7.4
Emberizidae	Chondestes grammacus	1.6
Icteridae	Sturnella magna	4.6

*Distances were calculated using the K2P model (see Methods section).