Table 2 The animals interacting with PBRs in Moss Landing harbor, the nature of the interaction (passive or proactive), the number of interactions, and the duration of the interactions (minutes)
From: Interactions of marine mammals and birds with offshore membrane enclosures for growing algae (OMEGA)
Interaction | Duration | ||||
|---|---|---|---|---|---|
Identity/feeding group | Passive | Proactive | Total | Mean ± SE | Max |
Mammals | |||||
Invertebrate divers | Â | Â | Â | Â | Â |
 Sea otter (Enhydra lutris) | 31 | 63 | 94 | 3.1 ± 0.6 | 44 |
Piscivorous cephalopod divers | Â | Â | Â | Â | Â |
 California sea lion (Zalophus californianus) | 0 | 1 | 1 | - | 1 |
Birds | |||||
Omnivorous surface feeders | |||||
 American coot (Fulica americana) | 426 | 175 | 601 | 3.9 ± 0.3 | 127 |
 Unidentified gull | 303 | 126 | 429 | 7.1 ± 0.9 | 137 |
 Western gull (Larus occidentalis) | 145 | 47 | 192 | 5.6 ± 1.2 | 170 |
 Unidentified duck | 13 | 8 | 21 | 1.7 ± 0.1 | 4 |
 Mallard duck (Anas platyrhynchos) | 0 | 3 | 3 | - | - |
Carnivorous diving/wading feeders | |||||
 Black-crowned night heron (Nycticorax nycticorax) | 3 | 1 | 4 | 1.5 ± 0.5 | 2 |
 Double-crested cormorant (Phalacrocorax auritus) | 2 | 0 | 2 | - | 11 |
 Western grebe (Aechmophorus occidentalis) | 0 | 1 | 1 | - | 1 |
 Great blue heron (Ardea herodias) | 2 | 0 | 2 | 6.0 ± 4.0 | 10 |
 Unidentified cormorant | 0 | 2 | 2 | 1 | 1 |
Unidentified birds | 59 | 34 | 93 | 13.0 ± 3.1 | 190 |