Table 2.
Frequency of occurrence (F%) and estimated percentage of total volume (V%) of prey items in leopard seal diets for 2013, 2014, and 2017 based on scat and visual observation data
| Year | n | Scat observations | n | Visual observations | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fur seal | Penguin | Krill | Fur seal | Fish | ||||||||
| F% | V% | F% | V% | F% | V% | F% | V% | F% | V% | |||
| 2013 | 13 | 100 | 88.5 | 30.8 | 18.0 | 23.1 | 10.0 | 13 | 100 | 90.0 | 23.1 | 40.0 |
| 2014 | 31 | 100 | 77.5 | 48.4 | 50.6 | 0.0 | 0.0 | 12 | 100 | 70.0 | 50.0 | 90.0 |
| 2017 | 1 | 0.0 | 0.0 | 0.0 | 0.0 | 100 | 100 | 0 | 0.0 | 0.0 | 0.0 | 0.0 |
n is the number of scats collected or visual observations per individual in a given season. “Fur seal” was Arctocephalus gazella, “Penguin” was either Pygoscelis papua or Pygoscelis antarcticus, “Krill” was Euphausia superba, and “Fish” was either Notothenia coriiceps or unidentified nothen fish