Table 1. The biometrics, timings and summary of data from leopard seals deployed with micro global logging sensor tags.
Tag | Sex | Length nose to tail /cm | First observation | Last observation | Years observed | Date deployed | Date recovered | duration (days) | max. distance reached (km) | Date of departure South Georgia | Date of return South Georgia | haul out duration | Inter haul out period (mins) | |||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
total time (days) | proportion of time | max (hours) | median (hours) | median interval | min interval | max interval | ||||||||||||
Y5282 (B4942) | M | 285 | 01/09/1993 | 14/06/2013 | 15 | 18/05/2003 | 26/08/2004 | 466 | 1950 | 09/06/2003 | 02/05/2004 | 102 | 0.22 | 34 | 10 | 14 | 20 | 326 |
Y5282 (B4942) | 24/07/2012 | 13/06/2013 | 324 | 1500 | 28/08/2012 | 16/05/2013 | 76 | 0.23 | 40 | 9 | 14 | 30 | 600 | |||||
B4943 | M | 278 | 01/09/2011 | 18/04/2016 | 6 | 02/08/2012 | 09/05/2013 | 280 | 1850 | 13/10/2012 | 21/04/2013 | 76 | 0.27 | 47 | 10 | 14 | 20 | 363 |
G5719 | F | 273 | 07/07/2011 | 28/08/2012 | 2 | 07/07/2011 | 09/06/2012a | 142 | 800 | 31 | 0.22 | 30 | 11 | 13 | 20 | 353 | ||
W7604 | M | 236 | 16/07/2006 | 28/08/2012 | 4 | 07/09/2007 | 24/05/2008 | 260 | 1850 | 02/10/2007 | 23/05/2008 | 81 | 0.31 | 74 | 11 | 12 | 30 | 604 |
mean | 294.4 | mean | 0.25 |
a Tag failed on 26/11/2011