| 2023-04-02 | Manx Shearwater (a steady passage watched from the Oban ferry) | | bird | Observed from the Oban ferry. | |
| 2023-04-02 | Red-throated Diver (heading west towards Coll) | | bird | Heading west towards Coll. | |
| 2023-04-02 | Lesser Redpoll | | bird | Singing in the village. | |
| 2023-04-02 | Barrel Jellyfish | several | invertebrate | Seen from the ferry today. | |
| 2023-04-18 | Whooper Swan (Cygnus cygnus) | 1 | bird | Single bird on our local loch | |
| 2023-04-18 | Puffin (Fratercula arctica) | 1 | bird | Single bird from the ferry | |
| 2023-04-18 | Golden Plover (Pluvialis fulva) | 2 | bird | Passage birds in full song over the cottage - our first of the year. Glorious! | First of the year |
| 2023-04-18 | White-tailed Eagle (Haliaeetus albicilla) | 2 | bird | Adults over Morvern from ferry | |
| 2023-04-18 | Golden Eagle (Aquila chrysaetos) | 2 | bird | Over Morvern from ferry | |
| 2023-04-18 | Willow Warbler (Phylloscopus trochilus) | 1 | bird | First of the year | First of the year |
| 2023-04-18 | Golden Oriole (Icterus aurantirostris) | 1 | bird | Adult male seen in the village!! (reports from yesterday) | Uncommon |
| 2023-04-19 | Little Grebe (a pair new in on our local loch) | | bird | | |
| 2023-04-19 | Whooper Swan (a single bird still on our local loch) | | bird | | |
| 2023-04-19 | Pink-footed Goose (x3 passage birds in a roadside field - unusual to see them on the ground here. Reports also of a huge flock of c500 passing over earlier) | 3 | bird | | Unusual |
| 2023-04-19 | Shelduck (a pair) | 2 | bird | | |
| 2023-04-19 | Eider (a pair) | 2 | bird | | |
| 2023-04-19 | Red-breasted Merganser (x3) | 3 | bird | | |
| 2023-04-19 | Hen Harrier (male) | 1 | bird | | |
| 2023-04-19 | Kestrel | 1 | bird | | |
| 2023-04-19 | Sparrowhawk (a female hunting among the Starlings) | 1 | bird | | |
| 2023-04-19 | Sand Martin (first of the year) | | bird | | First of the year |
| 2023-04-19 | Wood Pigeon (an uncommon visitor) | | bird | | Uncommon |
| 2023-04-19 | Cuckoo (reported - first of the year) | | bird | | First of the year |
| 2023-04-19 | Blackcap (singing male) | 1 | bird | | |
| 2023-04-19 | Twite | | bird | | |
| 2023-04-19 | Common Heath moth (an early emergent in the warm sunshine, usually not seen until late May/June) | | insect | | Early Emergent |
| 2023-04-20 | Great Northern Diver (Aythya larx) | 5 | bird | | |
| 2023-04-20 | Canada Goose (Branta canadensis) | 2 | bird | | |
| 2023-04-20 | Eider (Somateria mollissima) | 3 | bird | 1 male, 2 females | |
| 2023-04-20 | Ringed Plover (Pluvianellus plumbeus) | 15 | bird | | |
| 2023-04-20 | Whimbrel (Numenius americanus) | 3 | bird | First passage birds of the year | Uncommon |
| 2023-04-20 | Bar-tailed Godwit (Limosa lapponica) | 1 | bird | Stunning breeding plumage bird on the beach | Uncommon |
| 2023-04-20 | Golden Plover (Pluvialis aprica) | 30 | bird | Flock in roadside fields | |
| 2023-04-20 | Hen Harrier (Circus cyaneus) | 1 | bird | Male hunting over the beach | |
| 2023-04-20 | Black-headed Gull (Chroicocephalus ridibundus) | 2 | bird | Pair | |
| 2023-04-20 | Sand Martin (Riparia riparia) | | bird | Prospecting in dune fronts | |
| 2023-04-20 | White Wagtail (Motacilla alba) | 12 | bird | On beach | |
| 2023-04-20 | Twite (Anthus godartii) | 3 | bird | Pair plus a separate singing male | |
| 2023-04-20 | Common Seal (Phoca vitulina) | | mammal | | |
| 2023-04-20 | Grey Seal (Halichoerus grypus) | | mammal | | |
| 2023-04-21 | Little Grebe (Podiceps ruficollis) | 4 | bird | Numbers on our wee loch have increased to four - lots of calling. Not a common bird here by any means | |
| 2023-04-21 | Moorhen (Fulica atra) | 4 | bird | | |
| 2023-04-21 | Cuckoo (Cuculus canorus) | | bird | Our first of the year | First of year |
| 2023-04-23 | Little Grebe (Podiceps ruficollis) | 2 | bird | still two pairs on the local loch | |
| 2023-04-23 | Canada Goose (Branta canadensis) | 2 | bird | a pair over the village | |
| 2023-04-23 | Teal (Anas crecca) | 3 | bird | 3 pairs on our local loch | |
| 2023-04-23 | Sparrowhawk (Accipiter nisus) | 1 | bird | a female hunting among the Starlings | |
| 2023-04-23 | Wheatear (Aegolius funereus) | 12 | bird | quite a fall of up to 12 birds - some of the Greenland race among them | Uncommon |
| 2023-04-23 | Tooth-striped moth (Acharia leucostigma) | | moth | Early Tooth-striped moth | First of year |
| 2023-04-24 | Great Northern Diver (Aythya larx) | | bird | just the one visible in rough seas | |
| 2023-04-24 | Sanderling (Calidris alba) | 22 | bird | | |
| 2023-04-24 | Whimbrel (Numenius americanus) | 6 | bird | from the hotel restaurant window | |
| 2023-04-24 | Golden Plover (Pluvialis fulva) | 67 | bird | a large flock of passage birds | |
| 2023-04-24 | Hen Harrier (Circus cyaneus) | | bird | a gorgeous male bird at close quarters alarming the Starlings | |
| 2023-04-24 | Great Skua (Stercorarius skutilensis) | | bird | at last! Our first of the year… | First of year |
| 2023-04-25 | Whooper Swan (Cygnus cygnus) | | bird | Individual bird still hanging around somewhat belatedly. Will surely be off soon? | |
| 2023-04-25 | Little Grebe | | bird | Two pairs still looking to breed on our local loch | |
| 2023-04-25 | Canada Goose | | bird | Regular sightings of these recent incomers continue with flocks of 7 and 2 (can you have a flock of 2??) | |
| 2023-04-25 | Golden Plover | 40 | bird | Cracking flock of 40 summer plumage birds on local farm fields | |
| 2023-04-25 | Hen Harrier | 5 | bird | Seen while helping RSPB with monitoring work. Great to see some sky-dancing action! | |
| 2023-04-25 | White-tailed Eagle | 2 | bird | Birds at opposite ends of the island | |
| 2023-04-25 | Golden Eagle | | bird | At last we have caught up with the bird which has been around for a few weeks | |
| 2023-04-25 | Great Skua | | bird | Only our second of the year | |
| 2023-04-25 | Greenland Wheatear | | bird | A nice fall of these chubby and colourful delights today | |
| 2023-04-25 | Greenfinch | | bird | An unusual observation of a singing bird on moorland | |
| 2023-04-26 | Whooper Swan (Cygnus cygnus) | 1 | bird | Still hanging around. | |
| 2023-04-26 | Little Grebe (Podiceps ruficollis) | 2 | bird | Still x2 pairs on our local loch. | |
| 2023-04-26 | Golden Plover (Pluvialis fulva) | 40 | bird | Large flock of x40 still around early am but left during the day. | |
| 2023-04-26 | Common Sandpiper (Calidris alpina) | | bird | Reported on the shores of Loch Eatharna. | |
| 2023-04-26 | Hen Harrier (Circus cyaneus) | 2 | bird | Pair sky-dancing. | |
| 2023-04-26 | White-tailed Eagle (Haliaeetus albicilla) | 2 | bird | x2 different individuals. | |
| 2023-04-26 | Corncrake (Coturnix minimus) | | bird | Notable for their continued scarcity after a couple of single reports earlier in the week. | Scarcity |
| 2023-04-26 | Cuckoo (Cuculus canorus) | 3 | bird | x3 different individuals. | |
| 2023-04-26 | Dunnock (Anthus tristis) | 3 | bird | Nice to see three different birds in territory around the island today. Not a common bird here. | Uncommon |
| 2023-04-26 | Marsh Violet (Viola palustris) | | plant | In flower. | |
| 2023-04-26 | Spring Quillwort (Ranunculus peltocarpus) | | plant | A rarity in some of our low-nutrient lochs. | Rarity |
| 2023-04-28 | Red-throated Diver (Oceanodroma ruficollis) | 2 | bird | Overhead barking gently | |
| 2023-04-28 | Golden Plover (Pluvialis fulva) | 165 | bird | A passage flock | |
| 2023-04-28 | Black-headed Gull (Chlidonias niger) | 3 | bird | An uncommon visitor in the summer months | Uncommon |
| 2023-04-28 | Corncrake (Crex crebrosa) | | bird | Our first of the year in a surprising woodland setting | First of year |
| 2023-04-29 | Canada Goose (Branta canadensis) | 2 | bird | | |
| 2023-04-29 | Shelduck (Tadorna tadorna) | 4 | bird | | |
| 2023-04-29 | Eider (Somateria mollissima) | 8 | bird | in Loch Eatharna | |
| 2023-04-29 | Red-breasted Merganser (Mergus cristatus) | 7 | bird | | |
| 2023-04-29 | Golden Plover (Pluvialis fulva) | 10 | bird | | |
| 2023-04-29 | Common Sandpiper (Calidris alba) | | bird | | |
| 2023-04-29 | Snipe (Scolopax rusticola) | | bird | drumming at several locations across the island | |
| 2023-04-29 | Common Tern (Sterna hirundo) | 1 | bird | the first of the year | First of the year |
| 2023-04-29 | Corncrake (Coturnix coturnix) | 1 | bird | just the one rasping male | |
| 2023-04-29 | Common Dolphin (Delphinus delphis) | 8 | mammal | a small pod off the Meall | |
| 2023-04-29 | Green-veined White (Pieris brassicae) | | insect | the first of the year | First of the year |
| 2023-04-30 | Basking Shark (from ferry off Glen Gorm on Mull) | | mammal | Sightings from ferry off Glen Gorm on Mull | |
