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| Title | Date of sighting | reporter | Image | Lat / Lng | Description | Type of organism | Other type |
|---|---|---|---|---|---|---|---|
| Velella… | Jellywatcher | 43.920 / 8.110 | Discovered Velella Velella cloud on the coast of Cervo, L |
Velella | Velella | ||
| Velellas on a… | Jellywatcher | 
|
37.720 / -122.510 | Velella | |||
| By-the-wind… | jsones | 
|
38.320 / -123.070 | Hundreds of By-the-wind Sailors (Velella velella) washing |
Velella | Velella | |
| Loads of small… | kraskoff | 
|
36.640 / -121.930 | 1000s+ |
Velella | Velella | |
| Velella… | Jellywatcher | 37.230 / -122.410 | Velella velella dried up bodies along the beach |
Velella | Velella | ||
| Kachemak Bay… | Jellywatcher | 
|
59.450 / -151.710 | A single Velella was found on the outside beach near Seld |
Velella | Velella | |
| Velella… | Jellywatcher | 
|
54.890 / -5.170 | Thousands on the high water line, sandy beach on the Scot |
Velella | Velella | |
| Velella… | Jellywatcher | 41.340 / -70.800 | Many have washed up on the Atlantic Ocean beach at the so |
Velella | |||
| Velella mass… | Jellywatcher | 52.580 / -9.610 | Mass sighting of vellela on beach, had lost their blue co |
Velella | Vellela | ||
| Velella in… | chloew | 
|
35.550 / -75.460 | Velella | Velella | ||
| Possible… | Jellywatcher | 
|
50.410 / -5.120 | Velella | |||
| Velella over… | Jellywatcher | 
|
37.960 / -122.790 | Mostly clear organisms but about 10% blue ones. |
Velella | ||
| Small Velella… | Medusas_Barcelona | 39.890 / 0.670 | hundred of very small (around 3 or 4 mm) Velella velella |
Velella | Velella | ||
| Tregantle… | Jellywatcher | 
|
50.360 / -4.280 | Several dozen Velella seen on the last HWM on Tregantle B |
Velella | ||
| Velella | Jellywatcher | 51.600 / -9.630 | Hundreds washed up at Ahkista, West Cork, Eire |
Velella | Velella | ||
| Dead Seagulls… | mobile_jellywatcher | 
|
36.600 / -121.890 | Vertebrate | Dead seagulls | ||
| Seals | mobile_jellywatcher | 41.060 / -71.920 | Eating juvenile flounder. |
Vertebrate | Harbor seal | ||
| Bottle Nosed… | MDComptech | 25.790 / -80.180 | Vertebrate | Bottle Nosed Dolphin | |||
| Sea Lions on… | KelpRat | 36.800 / -121.790 | Paddling out past the red harbor entrance bouy about 1.3 |
Vertebrate | |||
| Golden Gate Sea… | KelpRat | 37.820 / -122.490 | Paddled from Horseshoe Cove to Point Bonita, observed abo |
Vertebrate | |||
| Dolphins, Santa… | wlee | 36.960 / -121.960 | Two pods of Pacific White Sided dolphins, I think, near S |
Vertebrate | |||
| sea otter | mobile_jellywatcher | 
|
36.940 / -121.870 | Vertebrate | |||
| Two Sea Otters… | KelpRat | 36.800 / -121.790 | Paddling west of Moss Landing, about 1.5 miles from the h |
Vertebrate | |||
| Sturgeon on… | Jellywatcher | 
|
37.760 / -122.510 | Hi, I found this dead sturgeon while walking on the beach |
Vertebrate | Sturgeon, obviously not mamal | |
| Deceased… | Cimer20 | 
|
36.800 / -121.790 | Had been on shore for a while. Saw it about noon. |
Vertebrate | Harbour seal? |