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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
  1. Scats were collected during capture events or opportunistically. “Visual observations” are successful foraging events witnessed from shore or animal-borne video