| 2021-08-01 | Little Gull (Hydrocolius patachyris) | | bird | | |
| 2021-08-01 | Hen Harrier | | bird | | |
| 2021-08-02 | True Lovers Knot (Moth) | 358 | moth | | |
| 2021-08-02 | Dark Arches (Moth) | | moth | | |
| 2021-08-02 | White-line Dart (Moth) | | moth | | |
| 2021-08-02 | Common Rustic (Moth) | | moth | | |
| 2021-08-02 | Rustic (Moth) | | moth | | |
| 2021-08-02 | Garden Tiger (Moth) | | moth | | |
| 2021-08-02 | Gold Spot (Moth) | | moth | | |
| 2021-08-02 | Ear (Moth) | | moth | | |
| 2021-08-02 | Chevron (Moth) | | moth | | |
| 2021-08-02 | Antler (Moth) | | moth | | |
| 2021-08-02 | Smoky Wainscot (Moth) | | moth | | |
| 2021-08-02 | Light Arches (Moth) | | moth | | |
| 2021-08-02 | Burnished Brass (Moth) | | moth | | |
| 2021-08-02 | Small Wainscot (Moth) | | moth | | |
| 2021-08-02 | Large Yellow Underwing (Moth) | | moth | | |
| 2021-08-02 | Bright-line Brown-eye (Moth) | | moth | | |
| 2021-08-02 | Dark-barred Twin-spot Carpet (Moth) | | moth | | |
| 2021-08-02 | Six-striped Rustic (Moth) | | moth | | |
| 2021-08-02 | Archer’s Dart (Moth) | | moth | | |
| 2021-08-02 | Crescent (Moth) | | moth | | |
| 2021-08-02 | _Eudonia angustea_ (Moth) | | moth | | |
| 2021-08-02 | _Agriphila tristella_ (Moth) | | moth | | |
| 2021-08-02 | _Crambus perlella_ (Moth) | | moth | | |
| 2021-08-04 | Great Skua (Stercorarius skuan) | | bird | | |
| 2021-08-04 | Red-throated Diver (Ardea pennacollis) | | bird | | |
| 2021-08-10 | Dark Arches Moth | | moth | Moth trap data | |
| 2021-08-10 | Square-spot Rustic Moth | | moth | Moth trap data | |
| 2021-08-10 | Ear agg Moth | | moth | Moth trap data | |
| 2021-08-10 | Magpie | | mammal | Moth trap data | |
| 2021-08-10 | Antler Moth | | moth | Moth trap data | |
| 2021-08-10 | Small Wainscot Moth | | moth | Moth trap data | |
| 2021-08-10 | Mouse | | mammal | Moth trap data | |
| 2021-08-10 | Dark-barred Twin-spot Carpet Moth | | moth | Moth trap data | |
| 2021-08-10 | _Agriphila tristella_ | | moth | Moth trap data | |
| 2021-08-10 | _Agonopterix conterminella_ | | moth | Moth trap data | |
| 2021-08-10 | Golden Plover | | bird | Sightings | |
| 2021-08-15 | Peregrine | | bird | | |
| 2021-08-15 | Eider (x11) | 11 | bird | | |
| 2021-08-15 | Black-headed Gull | | bird | | |
| 2021-08-15 | Curlew (x11) | 11 | bird | | |
| 2021-08-15 | Bar-tailed Godwit | | bird | | |
| 2021-08-15 | Lesser Redpoll (x35) | 35 | bird | | |
| 2021-08-15 | Hen Harrier | | bird | | |
| 2021-08-17 | Black Darter (dragonfly) | | insect | | |
| 2021-08-17 | Dark Marbled Carpet (moth) | | moth | | |
| 2021-08-17 | Emperor Dragonfly | | insect | | Notable sighting |
| 2021-08-18 | Lesser Clubmoss | | plant | | |
| 2021-08-18 | Flea Sedge | | plant | | |
| 2021-08-18 | Spiked Club-rush | | plant | | |
| 2021-08-18 | Pale Bladderwort | | plant | | |
| 2021-08-18 | Southern Hawker (ovipositing) | | insect | Observed ovipositing. | |
| 2021-08-18 | White-tailed Bumblebee | | insect | | |
| 2021-08-20 | Square-spot Rustic | | moth | Moth trap | |
| 2021-08-20 | White-line Dart | | moth | Moth trap | |
| 2021-08-20 | Dark Arches | | moth | Moth trap | |
| 2021-08-20 | Ear agg | | moth | Moth trap | |
| 2021-08-20 | Grey Chi | | moth | Moth trap | |
| 2021-08-20 | Autumnal Rustic | | moth | Moth trap | |
| 2021-08-20 | July Highflyer | | moth | Moth trap | |
| 2021-08-20 | Antler | | moth | Moth trap | |
| 2021-08-20 | Crescent | | moth | Moth trap | |
| 2021-08-20 | Mouse | | moth | Moth trap | |
| 2021-08-20 | Chevron | | moth | Moth trap | |
| 2021-08-20 | Rosy Rustic | | moth | Moth trap | |
| 2021-08-20 | Lesser Yellow Underwing | | moth | Moth trap | |
| 2021-08-20 | Large Yellow Underwing | | moth | Moth trap | |
| 2021-08-20 | Dark-barred Twin-spot Carpet | | moth | Moth trap | |
| 2021-08-20 | Garden Carpet | | moth | Moth trap | |
| 2021-08-20 | Anomalous | | moth | Moth trap | |
| 2021-08-20 | Agriphila tristella | | moth | Moth trap | |
| 2021-08-20 | Acleris aspersana | | moth | Moth trap | |
| 2021-08-20 | Eana penziana | | moth | Moth trap | |
| 2021-08-20 | Red-throated Diver | | bird | | |
| 2021-08-20 | Nicrophorus investigator | | other | (burying beetle) | |
| 2021-08-21 | Irish Ladies-tresses (Fungi) | 3 | fungi | | |
| 2021-08-22 | Irish Ladies-tresses (Mycena salicis) | 2 | fungi | | |
| 2021-08-22 | Scots Lovage | | plant | | |
| 2021-08-22 | Turnstone | | bird | | |
| 2021-08-25 | White-tailed Eagle (Aquila chrysaetos) | 2 | bird | Two adults observed. | |
| 2021-08-25 | Curlew (Numenius americanus) | 30 | bird | | |
| 2021-08-25 | Bar-tailed Godwit (Limosa lapponica) | 15 | bird | | |
| 2021-08-28 | Hen Harrier | | bird | | |
| 2021-08-28 | Lesser Water Plantain (Plantago minor) | | plant | | |
| 2021-08-28 | Common Hemp-nettle (Cardamine hetrophila) | | other | | |
| 2021-08-29 | Mouse | | insect | Moth Trap | |
| 2021-08-29 | Autumnal Rustic | | moth | Moth Trap | |
| 2021-08-29 | Small Wainscot | | moth | Moth Trap | |
| 2021-08-29 | Square-spot Rustic | | moth | Moth Trap | |
| 2021-08-29 | Grey Chi | | moth | Moth Trap | |
| 2021-08-29 | Pink-barred Sallow | | moth | Moth Trap | |
| 2021-08-29 | Antler | | moth | Moth Trap | |
| 2021-08-29 | Crescent | | moth | Moth Trap | |
| 2021-08-29 | Rosy Rustic | | moth | Moth Trap | |
| 2021-08-29 | Chestnut-coloured Carpet | | moth | Moth Trap | |
| 2021-08-29 | Large Yellow Underwing | | moth | Moth Trap | |
| 2021-08-29 | Lesser Yellow Underwing | | moth | Moth Trap | |
| 2021-08-29 | White-line Dart | | moth | Moth Trap | |
| 2021-08-29 | Dark Arches | | moth | Moth Trap | |
| 2021-08-29 | Northern Deep-brown Dart | | moth | Moth Trap | |
| 2021-08-29 | Garden Rose Tortrix | | moth | Moth Trap | |
| 2021-08-30 | Great Skua (Sula granti) | 2 | bird | | |
| 2021-08-30 | Sanderling (Calidris alba) | 12 | bird | | |
| 2021-08-30 | Red-throated Diver (Calonectris arctica) | 2 | bird | | |
| 2021-08-30 | Eider (Somateria mollissima) | 4 | bird | | |
| 2021-08-30 | Shag (Larus chromovianus) | 1000 | bird | | |
| 2021-08-30 | Peregrine (Falco peregrinus) | | bird | | |
| 2021-08-30 | Hen Harrier (Parvus avis - ring-tailed) | | bird | Ring-tailed | |
| 2021-08-30 | Lyme Grass | | plant | | |
| 2021-08-30 | Ray’s Knotgrass | | plant | | |
| 2021-08-30 | Common Whitlowgrass (Deschampsia cespitosa) | | plant | | |
| 2021-08-31 | Peregrine | | bird | | |
| 2021-08-31 | Pipewort (in flower) | | plant | | |
| 2021-08-31 | Water Lobelia | | plant | | |
| 2021-08-31 | Lesser Water-plantain | | plant | | |
| 2021-08-31 | Fir Clubmoss | | fungi | | |
