| 2026-04-01 | Greenland White-fronted Goose | 82 | bird | Plenty of White-fronts still around. These were four different flocks (of 20+20+36+6). They'll be leaving very soon... | |
| 2026-04-01 | Wheatear | 1 | bird | first Wheatear of the year | new for year |
| 2026-04-01 | Whooper Swan | 9 | bird | nine over Arinagour heading west - later seen taking a break on Loch Ballyhaugh | new for year |
| 2026-04-01 | Curlew | 1 | bird | | |
| 2026-04-01 | Redshank | 3 | bird | | |
| 2026-04-01 | Red-breasted Merganser | 2 | bird | a pair | |
| 2026-04-01 | Pink-footed Goose | 1 | bird | a single migrant who had lost his flock and touched down in a field at Cliad with Greylags and Canadas | |
| 2026-04-03 | Whimbrel | 1 | bird | a bird calling over Arinagour | |
| 2026-04-03 | Eider | 6 | bird | 3 pairs in Loch Eatharna | |
| 2026-04-03 | Willow Warbler | 1 | bird | first reported of the year | new for year |
| 2026-04-03 | Great Skua | 1 | bird | first reported of the year - didn't stick around | new for year |
| 2026-04-06 | Icelandic Redwing | 100 | bird | a huge and very noisy gathering of at least a hundred Redwings in Arinagour - quickly moved on | new for year |
| 2026-04-10 | Merlin | 1 | bird | a female busy hunting at Arnabost - a bird not frequently seen on Coll | local rarity |
| 2026-04-12 | Blue Tit | 1 | bird | singing in The Lodge plantation - a Coll rarity. Several individuals arrived in November 2023 and have been occasionally but regularly seen since then around the island. | local rarity |
| 2026-04-13 | White-tailed Eagle | 1 | bird | an individual reported soaring over the village | |
| 2026-04-13 | Common Dolphin | 2 | mammal | two seen from the ferry off Gunna - there have been few local sightings in recent months | |
