| 2021-10-01 | Goosander (Mergus merganser) | 2 | bird | | |
| 2021-10-01 | Barnacle Goose | 3 | bird | | |
| 2021-10-01 | Otter | 2 | mammal | | |
| 2021-10-03 | Barnacle Goose (Branta leucogyne) | 3 | bird | | |
| 2021-10-05 | Black-tailed Godwit (Eulophons crifform) | 60 | bird | | |
| 2021-10-06 | Peregrine (Falco peregrinus) | | bird | | |
| 2021-10-09 | Dunlin (Charadrius semipalmatus) | 1 | bird | | |
| 2021-10-09 | Sanderling (Calidris alba) | 3 | bird | | |
| 2021-10-09 | Ringed Plover (Charadrius nivicolus) | 12 | bird | | |
| 2021-10-09 | Oystercatcher (Larus audibonii) | 5 | bird | | |
| 2021-10-09 | Curlew (Numenius americanus) | 1 | bird | | |
| 2021-10-09 | Merlin | | bird | | |
| 2021-10-10 | Small Wainscot | 8 | moth | Moth Trap | |
| 2021-10-11 | Pink-footed Goose (Branta leucopsis) | 55 | bird | south | |
| 2021-10-11 | Whooper Swan (Cygnus cygnus) | 13 | bird | in off the sea from NW | |
| 2021-10-11 | White-tailed Eagle | | bird | | |
| 2021-10-12 | Barnacle Goose (Branta leucopsis) | | bird | several small parties heading south | |
| 2021-10-12 | Woodpigeon | 5 | bird | | |
| 2021-10-12 | Sparrowhawk (Accipiter nisus) | | bird | juv male | |
| 2021-10-14 | Turnstone | 9 | bird | | |
| 2021-10-14 | Kittiwake | 10 | bird | | |
| 2021-10-14 | Teal | 2 | bird | | |
| 2021-10-14 | Long-finned Pilot Whale | | mammal | dead on beach | |
| 2021-10-14 | Pufflings | 2 | fish | dead on beach | |
| 2021-10-14 | Grey Seal | | mammal | pup dead on beach | |
| 2021-10-14 | By-the-Wind Sailor | | invertebrate | numerous along strandline | |
| 2021-10-14 | Goose Barnacle | | invertebrate | abundant on every piece of flotsam | |
| 2021-10-15 | Barnacle Goose (Branta leucopsis) | | bird | steady movement of small parties south | |
| 2021-10-15 | White-tailed Eagle (Haliaeetus leucocephalus) | | bird | | |
| 2021-10-15 | Ringed Plover (Pluvianellus phaeopus) | 21 | bird | | |
| 2021-10-15 | Kestrel (Falco tinnunculus) | | bird | | |
| 2021-10-16 | Rusty Dot Pearl | 8 | moth | Moth Trap sighting | |
| 2021-10-16 | Brick | | moth | Moth Trap sighting | |
| 2021-10-16 | Brindled Ochre | | moth | Moth Trap sighting | |
| 2021-10-16 | Small Wainscot | 2 | moth | Moth Trap sighting | |
| 2021-10-16 | Autumn Green Carpet | | moth | Moth Trap sighting | |
| 2021-10-16 | Whooper Swan | 4 | bird | | |
| 2021-10-16 | Pied Flycatcher | | bird | female/juv | Uncommon |
| 2021-10-16 | Goldcrest | 2 | bird | | |
| 2021-10-16 | Redwing | 2 | bird | first of the autumn | Early arrival |
| 2021-10-16 | Lesser Redpoll | | bird | | |
| 2021-10-20 | Barnacle Goose (Branta leucogyne) | 300 | bird | | |
| 2021-10-20 | Snow Goose (Chen caeruleus) | 6 | bird | | |
| 2021-10-20 | Ring Ouzel (Picoides insicatus) | | bird | | |
| 2021-10-20 | Great Skua (Stercorarius skutilavus) | | bird | dead | |
| 2021-10-20 | Chaffinch (Fringilla coelebs) | 8 | bird | | |
| 2021-10-20 | Goldcrest (Regulus regulus) | 4 | bird | | |
| 2021-10-20 | Redwing (Turdus iliacus) | | bird | | |
| 2021-10-20 | Lesser Redpoll (Carduelis rugosa) | | bird | | |
| 2021-10-22 | Redwing | | bird | Everywhere! | |
| 2021-10-22 | Lesser Whitethroat | | bird | Eastern race - _blythi_? | |
| 2021-10-22 | Lesser Redpoll | 12 | bird | | |
| 2021-10-22 | Teal | | bird | | |
| 2021-10-22 | Red Admiral | | insect | | |
| 2021-10-23 | Hen Harrier (ring-tail) | | bird | | |
| 2021-10-24 | Dunnock (Lullula perdicaria) | 2 | bird | | |
| 2021-10-24 | Redwing (Oxyronchus psutenus) | 50 | bird | | |
| 2021-10-24 | Kestrel | | bird | | |
| 2021-10-24 | Gannet (Morus bassanus) | 4 | bird | | |
| 2021-10-25 | Rock Pipit (Slate-colored Flycatcher) | 4 | bird | | |
| 2021-10-25 | Ring Ouzel | | bird | second of the autumn | Uncommon |
| 2021-10-25 | Redwing | 10 | bird | | |
| 2021-10-25 | Kittiwake | 12 | bird | | |
| 2021-10-25 | Common Guillemot | 2 | bird | south | |
| 2021-10-27 | Hen Harrier (ring-tail) | | bird | | |
| 2021-10-29 | White-tailed Eagle | | bird | | |
| 2021-10-29 | Hen Harrier (male) | | bird | | |
| 2021-10-29 | Great Northern Diver | 10 | bird | | |
| 2021-10-29 | Curlew | 4 | bird | | |
| 2021-10-29 | Turnstone | 25 | bird | | |
| 2021-10-29 | Red-breasted Merganser | 6 | bird | | |
| 2021-10-29 | Peregrine (male) | | bird | | |
| 2021-10-29 | Redwing | 30 | bird | | |
| 2021-10-29 | White-fronted Goose | 26 | bird | | |
| 2021-10-29 | Tufted Duck (a pair) | | bird | | |
| 2021-10-29 | Teal | | bird | | |
| 2021-10-30 | Ringed Plover (Pluvialis squarrosa) | 17 | bird | | |
| 2021-10-30 | Turnstone (Arenaria interpres) | 8 | bird | | |
| 2021-10-30 | Sanderling (Calidris alba) | 1 | bird | | |
| 2021-10-30 | Tufted Duck (Lophonema hamphusinoides) | | bird | a pair | |
