Fig. 1From: Evidence of avian influenza virus in seabirds breeding on a Norwegian high-Arctic archipelagoOverwintering areas (organge) of a) black-legged kittiwakes (n = 22) (Rissa tridactyla) and b) glaucous gulls (n = 6) (Laurus hyperboreus). Data extracted from SEATRACK Seabird Tracking http://www.seapop.no/en/seatrack/. Black dot represents their Svalbardian breeding sitesBack to article page