Table 1 Individual identifications and summary foraging statistics for leopard seals sampled for red blood cells (RBC), plasma, and scat in 2013, 2014, and 2017 at Cape Shirreff, Livingston Island (23 samples from 19 individuals)
From: Leopard seal diets in a rapidly warming polar region vary by year, season, sex, and body size
Seal id—Year | Sex | Deployment length (d) | Foraging trips (n) | Mass (kg) | Length (cm) | RBC and plasma collected (n) | Capture scat (n) | Opportunistic scat (n) | Visual observation (n) |
|---|---|---|---|---|---|---|---|---|---|
12OR—2013 | ♀ | 6.98 | 3 | 446 | 305 | 2 | – | 3 | – |
36OR—2013 | ♀ | 3.5 | 2 | 437 | 307 | 2 | 1 | – | 6 |
37OR—2013 | ♀ | – | – | 409 | 301 | 1 | – | 3 | – |
62OR—2013 | ♀ | 12.10 | 4 | 422 | 293 | 2 | – | – | – |
70OR—2013 | ♀ | – | – | 421 | 287 | 1 | 1 | – | – |
71OR—2013 | ♀ | 6.12 | 3 | 460 | 285 | 2 | – | 1 | 1 |
394Y—2013 | ♀ | 4.69 | 2 | 416 | 285 | 2 | 1 | 1 | – |
406Y—2013 | ♀ | 9.12 | 4 | 498 | 312 | 2 | 1 | – | 3 |
422Y—2013 | ♀ | 0.86 | 1 | 416 | 293 | 2 | 1 | – | 3 |
09OR—2014 | ♀ | 8.53 | 6 | 414 | 301 | 2 | – | 4 | 2 |
16OR—2014 | ♀ | 4.32 | 1 | 494 | 311 | 2 | 1 | – | – |
18OR—2014 | ♀ | 7.53 | 6 | 494 | 296 | 2 | 2 | 3 | – |
37OR—2014 | ♀ | 4.28 | 3 | 406 | 301 | 2 | – | – | – |
58OR—2014 | ♀ | – | – | 409 | 301 | 1 | 1 | – | – |
63OR—2014 | ♀ | 8.55 | 9 | 432 | 305 | 2 | – | 2 | – |
84OR—2014 | ♀ | 8.46 | 8 | 371 | 284 | 2 | 1 | – | – |
397G—2014 | ♀ | 5.49 | 3 | 385 | 287 | 2 | 1 | 3 | 4 |
401Y—2014 | ♀ | 3.92 | 2 | 485 | 298 | 2 | 2 | 6 | 6 |
406Y—2014 | ♀ | 7.71 | 5 | 533 | 312 | 2 | 1 | 5 | – |
12OR—2017 | ♀ | 5.50 | 1 | 543 | 305 | 2 | – | – | – |
84OR—2017 | ♀ | 7.59 | 3 | 437 | 284 | 2 | – | – | – |
111OR—2017 | ♂ | 21.61 | 15 | 251 | 250 | 2 | – | – | – |
120OR—2017 | ♂ | 10.98 | 9 | 329 | 270 | 2 | 1 | – | – |
Mean (± SD)/Total | 7.39 ± 4.29 | 90 | 431 ± 64 | 294 ± 15 | 43 | 15 | 31 | 25 |