Table 1. Subject information for study animals, with age, mass and data collection dates presented as ranges across the sampling period. Location of study animals include the ASLC in Seward, AK, and the LML in Santa Cruz, CA.
| Species | Individual | Location | Sex | Age (yrs) | Mass (kg) | Data collection |
|---|---|---|---|---|---|---|
| Phoca largha | Amak | ASLC | M | 5.8–9.2 | 49.2–85.0 | Feb 2016—Jun 2019 |
| Tunu | ASLC | M | 5.8–9.2 | 59.5–85.5 | Feb 2016—Jun 2019 | |
| Sura | ASLC | F | 2.8–5.2 | 36.0–59.0 | Feb 2017—Jun 2019 | |
| Kunik | ASLC | M | 1.8–4.1 | 37.0–59.0 | Feb 2017—Jun 2019 | |
| Pusa hispida | Nayak | LML | F | 5.5–8.1 | 24.9–32.5 | Nov 2016—Jun 2019 |
| Pimniq | ASLC | M | 3.5–5.2 | 25.3–31.7 | Oct 2017—Jun 2019 | |
| Dutch | ASLC | F | 2.8–3.2 | 27.3–28.6 | Jan 2019—May 2019 | |
| Erignathus barbatus | Noatak | LML | M | 2.0–4.3 | 102.4–144.6 | Mar 2017—Jun 2019 |