sighting by month: September 1980
| Individual | Sighting no. | Month | Day | Year | Photographer | Location | Behavior | Associate | Notes |
| CSG23 | 332 | Sep | 10 | 1980 | Jim Darling | West Coast Trail | Feeding-plankton-mysids | C6,80,10; 80,C5,04; C5(80)-19 | |
| – 1521 | 1521 | Sep | 10 | 1980 | Jim Darling | West Coast Trail | Feeding-plankton-mysids | 80C4, 20A | |
| – 1498 | 1498 | Sep | 10 | 1980 | Jim Darling | West Coast Trail | Feeding-plankton-mysids | 80C5, 24 and 25 | |
| CSG827 | 1339 | Sep | 10 | 1980 | Jim Darling | West Coast Trail | Feeding-plankton-mysids | 80 C5/17 | |
| – 1260 | 1260 | Sep | 10 | 1980 | Jim Darling | West Coast Trail | Feeding-plankton-mysids | 80C5, 29, 36 | |
| – 1163 | 1163 | Sep | 10 | 1980 | Jim Darling | West Coast Trail | Feeding-plankton-mysids | 80C4, 22A | |
| – 1088 | 1088 | Sep | 10 | 1980 | Jim Darling | West Coast Trail | Feeding-plankton-mysids | 80C4,25A, 27 | |
| CSG827 | 332 | Sep | 10 | 1980 | Jim Darling | West Coast Trail | Feeding-plankton-mysids | C6,80,10; 80,C5,04; C5(80)-19 | |
| CSG344 | 1631 | Sep | 10 | 1980 | Jim Darling | West Coast Trail | Feeding-plankton-mysids | 80C6, 14, 20 | |
| CSG161 | 1521 | Sep | 10 | 1980 | Jim Darling | West Coast Trail | Feeding-plankton-mysids | 80C4, 20A | |
| CSG146 | 1498 | Sep | 10 | 1980 | Jim Darling | West Coast Trail | Feeding-plankton-mysids | 80C5, 24 and 25 | |
| CSG227 | 1339 | Sep | 10 | 1980 | Jim Darling | West Coast Trail | Feeding-plankton-mysids | 80 C5/17 | |
| CSG298 | 1260 | Sep | 10 | 1980 | Jim Darling | West Coast Trail | Feeding-plankton-mysids | 80C5, 29, 36 | |
| CSG66 | 1163 | Sep | 10 | 1980 | Jim Darling | West Coast Trail | Feeding-plankton-mysids | 80C4, 22A | |
| CSG209 | 1088 | Sep | 10 | 1980 | Jim Darling | West Coast Trail | Feeding-plankton-mysids | 80C4,25A, 27 | |
| CSG827 | 1631 | Sep | 10 | 1980 | Jim Darling | West Coast Trail | Feeding-plankton-mysids | 80C6, 14, 20 |