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Genus
- Larus occidentalis 13
- Larus heermanni 10
- Larus 5
- Rynchops niger 4
- Chlidonias niger 3
- Larus californicus 3
- Larus delewarensis 3
- Larus philadelphia 3
- Sterna fuscatc 3
- Hydroprogne caspia 2
- Larus atricilla 2
- Rissa tridactyla 2
- Sterna albifrons 2
- Anous 1
- Larosterna inca 1
- Larus argentatus 1
- Larus canus 1
- Larus glaucescens 1
- Larus modestus 1
- Larus ridibundus 1