Table 2. Sequence origin for phylogenetic analysis.

Location	Summer	Winter	Total
Scotland (all)	33	39	72
RUK	102	26	128
Europe	13	33	46
North America	80	44	124
South America	14	7	21
Asia	42	49	91
Oceania	4	3	7
Africa	0	3	3
Total	288	204	492