Table 6. Distribution of the PDER events (n = 1776) recorded in nursed harbour seal pups (n = 35) equipped with TDRs and STPs among individuals and ingestion types.
| Headtag ID | Total no. of ingestions | Total daily ingestion frequency (No./d) | No. milk ingestions | Daily milk ingestion frequency (No./d) | No. seawater ingestions | Daily seawater ingestion frequency (No./d) | No. solid food ingestions | Daily solid food ingestion frequency (No./d) |
| J09 | 57 | 3.6 | 50 (87.7)a | 3.1 | 7 (12.3)a | 0.4 | 0 (0.0)a | 0.0 |
| J10 | 69 | 4.3 | 49 (71.0) | 3.1 | 11 (15.9) | 0.7 | 9 (13.0) | 0.6 |
| J11 | 58 | 3.6 | 55 (94.8) | 3.4 | 3 (5.2) | 0.2 | 0 (0.0) | 0.0 |
| J12 | 55 | 2.8 | 48 (87.3) | 2.4 | 7 (12.7) | 0.4 | 0 (0.0) | 0.0 |
| J29 | 59 | 4.2 | 47 (79.7) | 3.3 | 11 (18.6) | 0.8 | 1 (1.7) | 0.1 |
| J32 | 41 | 3.4 | 40 (97.6) | 3.3 | 1 (2.4) | 0.1 | 0 (0.0) | 0.0 |
| J33 | 40 | 2.2 | 35 (87.5) | 2.0 | 5 (12.5) | 0.3 | 0 (0.0) | 0.0 |
| J35 | 40 | 2.2 | 37 (92.5) | 2.1 | 3 (7.5) | 0.2 | 0 (0.0) | 0.0 |
| J42 | 17 | 1.0 | 16 (94.1) | 0.9 | 1 (5.9) | 0.1 | 0 (0.0) | 0.0 |
| J44 | 36 | 2.0 | 34 (94.4) | 1.9 | 2 (5.6) | 0.1 | 0 (0.0) | 0.0 |
| V01 | 47 | 3.4 | 39 (83.0) | 2.8 | 8 (17.0) | 0.6 | 0 (0.0) | 0.0 |
| O08 | 24 | 2.4 | 16 (66.7) | 1.6 | 8 (33.3) | 0.8 | 0 (0.0) | 0.0 |
| O25 | 33 | 2.3 | 29 (87.9) | 2.0 | 4 (12.1) | 0.3 | 0 (0.0) | 0.0 |
| O32 | 52 | 2.4 | 47 (90.4) | 2.1 | 5 (9.6) | 0.2 | 0 (0.0) | 0.0 |
| O30 | 46 | 2.6 | 39 (84.8) | 2.2 | 7 (15.2) | 0.4 | 0 (0.0) | 0.0 |
| O39 | 71 | 3.5 | 62 (87.3) | 3.1 | 9 (12.7) | 0.5 | 0 (0.0) | 0.0 |
| O42 | 79 | 4.3 | 56 (70.9) | 3.1 | 20 (25.3) | 1.1 | 3 (3.8) | 0.2 |
| O43 | 56 | 2.6 | 52 (92.9) | 2.3 | 3 (5.4) | 0.1 | 1 (1.8) | 0.0 |
| O46 | 13 | 0.6 | 11 (84.6) | 0.5 | 2 (15.4) | 0.1 | 0 (0.0) | 0.0 |
| O49 | 133 | 4.7 | 95 (71.4) | 3.4 | 35 (26.3) | 1.2 | 3 (2.3) | 0.1 |
| O52 | 80 | 3.3 | 56 (70.0) | 2.3 | 24 (30.0) | 1.0 | 0 (0.0) | 0.0 |
| O61 | 68 | 4.3 | 54 (79.4) | 3.4 | 14 (20.6) | 0.9 | 0 (0.0) | 0.0 |
| O63 | 67 | 3.7 | 54 (80.6) | 3.0 | 13 (19.4) | 0.7 | 0 (0.0) | 0.0 |
| O64 | 66 | 3.0 | 53 (80.3) | 2.4 | 13 (19.7) | 0.6 | 0 (0.0) | 0.0 |
| O68 | 98 | 4.1 | 81 (82.7) | 3.4 | 16 (16.3) | 0.7 | 1 (1.0) | 0.0 |
| O69 | 32 | 3.6 | 30 (93.8) | 3.4 | 2 (6.3) | 0.2 | 0 (0.0) | 0.0 |
| O72 | 58 | 2.6 | 50 (86.2) | 2.2 | 8 (13.8) | 0.4 | 0 (0.0) | 0.0 |
| O77 | 66 | 4.4 | 59 (89.4) | 4.0 | 7 (10.6) | 0.5 | 0 (0.0) | 0.0 |
| J45 | 53 | 3.6 | 45 (84.9) | 3.0 | 7 (13.2) | 0.5 | 1 (1.9) | 0.1 |
| J60 | 45 | 3.0 | 43 (95.6) | 2.9 | 2 (4.4) | 0.1 | 0 (0.0) | 0.0 |
| J62 | 31 | 3.1 | 24 (77.4) | 2.4 | 7 (22.6) | 0.7 | 0 (0.0) | 0.0 |
| J69 | 15 | 1.3 | 9 (60.0) | 0.8 | 6 (40.0) | 0.5 | 0 (0.0) | 0.0 |
| J72 | 30 | 2.9 | 27 (90.0) | 2.6 | 3 (10.0) | 0.3 | 0 (0.0) | 0.0 |
| J74 | 14 | 4.6 | 9 (64.3) | 3.0 | 5 (35.7) | 1.7 | 0 (0.0) | 0.0 |
| J99 | 27 | 2.9 | 27 (100.0) | 2.9 | 0 (0.0) | 0.0 | 0 (0.0) | 0.0 |
| Sum | 1776 | - | 1478 | - | 279 | - | 19 | - |
| Mean | 48 | 3.0 | 42 (84.1) | 2.5 | 8 (15.3) | 0.5 | 1 (0.7) | 0.0 |
| s.d. | 27 | 1.1 | 237 (9. 8) | 0.9 | 45 (9.4) | 0.4 | 3 (2.2) | 0.1 |
a
Percentage of total ingestions.