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Table 1 Summary of northward migrations of 16 humpback whales (Megaptera novaeangliae) tagged off the Western Antarctic Peninsula in 2012–2017

From: First description of migratory behavior of humpback whales from an Antarctic feeding ground to a tropical calving ground

PTT Sex/pregnancy status Start of N migration End of N migration Duration of migration tracked (days) # of transmissions during migration Great circle distance of tracked migration (km) Completed migration?
112699 Unknown 15-Jun-12 1-Aug-12 47 342 6654 Yes
123236 Female (not pregnant) 16-Mar-13 NA 11 231 379 No
123232 Unknown 25-Apr-13 14-Jun-13 50 68 6640 Yes
121210 Male 30-Apr-13 23-Jun-13 54 906 6652 Yes
121207 Female (not pregnant) 7-May-13 NA 26 347 5113 No
123224 Female (pregnant) 23-May-13 NA 34 172 5411 No
131130 Female (not pregnant) 27-Apr-16 20-Jun-16 54 555 6714 Yes
131132 Male 9-May-16 NA 36 659 5195 No
131136 Unknown 30-Jun-16 NA 23 141 4244 No
131133 Male 5-Jul-16 NA 26 222 4117 No
131127 Unknown 15-Jul-16 NA 21 161 3296 No
166128 Female (pregnant) 18-May-17 NA 32 384 4354 No
166125 Female (pregnant) 5-Jun-17 NA 10 168 1508 No
166123 Male 14-Jun-17 25-Jul-17 41 548 6532 Yes
166122 Female (pregnant) 18-Jun-17 NA 14 190 1921 No
166126 Female (not pregnant– juvenile) 1-Jul-17 NA 19 204 3413 No