Mersea Island

The following analysis is derived solely from the records captured on the EBwS website.

There were 381 visits in 2021 with a total of 179 different species recorded by 4 observers throughout the year (by comparison 143 species were recorded in 2020 from 201 visits). Mersea Island was the 1st most recorded location in Essex in 2021. Highlights during the year included Southern Migrant Hawker. 84 species had more records at Mersea Island than any other location.

Top Recorded locations - 2021

Visits by Month in 2021

Records at Mersea Island in 2021

Species Status Count
Adder Regular 2
Avocet Regular 83
Bar-tailed Godwit Regular 45
Barn Owl Regular 20
Barnacle Goose Scarce 2
Bearded Tit Scarce 15
Black Brant Description (EBSIP) 25
Black Redstart Scarce 1
Black-headed Gull Abundant 4
Black-tailed Godwit Regular 68
Black-throated Diver Scarce 12
Blackbird Abundant 3
Blackcap Regular 57
Brambling Regular 25
Brent Goose Regular 1
Brimstone Regular 1
Broad-bodied Chaser Regular 2
Buzzard Regular 70
Canada Goose Regular 16
Cattle Egret Description (EBSIP) 2
Cetti's Warbler Regular 86
Chaffinch Regular 6
Chiffchaff Abundant 53
Chinese Muntjac Regular 1
Clouded Yellow Regular 15
Common Blue Regular 1
Common Gull Regular 10
Common Sandpiper Regular 24
Common Scoter Regular 14
Common Seal Regular 2
Common Tern Regular 70
Coot Regular 2
Cormorant Regular 6
Corn Bunting Regular 65
Cuckoo Regular 46
Curlew Regular 36
Curlew Sandpiper Regular 5
Dark-bellied Brent Goose Abundant 43
Dunlin Abundant 56
Egyptian Goose Regular 7
Eider Regular 8
Fieldfare Regular 17
Firecrest Scarce 13
Four-spotted Chaser Regular 2
Fulmar Regular 1
Gadwall Regular 23
Gannet Regular 8
Garden Warbler Regular 5
Gatekeeper Regular 1
Goldcrest Regular 10
Golden Plover Regular 56
Goldeneye Regular 4
Goldfinch Regular 2
Goosander Regular 2
Great Black-backed Gull Regular 10
Great Crested Grebe Regular 28
Great Northern Diver Scarce 39
Great Skua Regular 1
Great Spotted Woodpecker Regular 7
Great White Egret Scarce 31
Green Hairstreak Regular 4
Green Sandpiper Regular 34
Green Woodpecker Regular 5
Greenfinch Regular 6
Greenshank Regular 56
Grey Heron Regular 9
Grey Partridge Regular 6
Grey Plover Regular 42
Grey Seal Regular 3
Grey Wagtail Regular 5
Greylag Goose Regular 13
Guillemot Regular 7
Hairy Dragonfly Regular 2
Hen Harrier Scarce 17
Herring Gull Regular 4
Hobby Regular 34
Holly Blue Regular 1
House Martin Regular 17
Jackdaw Regular 2
Kestrel Regular 21
Kingfisher Regular 30
Knot Regular 35
Lapwing Abundant 30
Lesser Black-backed Gull Regular 13
Lesser Redpoll Regular 10
Lesser Whitethroat Regular 36
Linnet Regular 24
Little Egret Regular 16
Little Grebe Regular 13
Little Owl Regular 37
Little Ringed Plover Regular 5
Little Stint Regular 3
Little Tern Regular 25
Long-tailed Tit Regular 8
Mallard Abundant 2
Marsh Harrier Regular 103
Meadow Pipit Regular 18
Mediterranean Gull Regular 67
Merlin Regular 17
Mistle Thrush Regular 20
Mute Swan Regular 7
Nightingale Scarce 4
Osprey Scarce 19
Oystercatcher Regular 15
Painted Lady Regular 15
Pale-bellied Brent Goose Scarce 27
Peregrine Falcon Regular 43
Pied Wagtail Regular 2
Pintail Regular 18
Pochard Regular 41
Purple Sandpiper Regular 13
Quail Scarce 1
Raven Scarce 1
Razorbill Scarce 3
Red Admiral Regular 1
Red Kite Regular 15
Red-breasted Merganser Regular 49
Red-crested Pochard Scarce 1
Red-legged Partridge Regular 24
Red-necked Grebe Scarce 4
Red-throated Diver Regular 31
Redshank Regular 39
Redstart Scarce 3
Redwing Regular 30
Reed Bunting Regular 24
Reed Warbler Regular 41
Ringed Plover Regular 50
Rock Pipit Regular 16
Rook Regular 3
Ruff Regular 3
Sand Martin Regular 37
Sanderling Regular 36
Sandwich Tern Regular 45
Sedge Warbler Regular 54
Shag Scarce 7
Shelduck Regular 9
Short-eared Owl Scarce 21
Shoveler Regular 15
Siskin Regular 19
Skylark Regular 5
Slavonian Grebe Scarce 12
Small Copper Regular 1
Small Heath Regular 2
Small Tortoiseshell Regular 2
Snipe Regular 45
Snow Bunting Scarce 13
Song Thrush Regular 9
Southern Migrant Hawker Description required 1
Sparrowhawk Regular 32
Speckled Wood Regular 1
Spoonbill Scarce 2
Spotted Flycatcher Regular 9
Spotted Redshank Regular 1
Starling Abundant 12
Stock Dove Regular 10
Stonechat Regular 78
Swallow Regular 47
Swift Regular 32
Tawny Owl Regular 7
Teal Abundant 28
Tufted Duck Regular 13
Turnstone Regular 35
Velvet Scoter Scarce 8
Water Rail Regular 16
Wheatear Regular 44
Whimbrel Regular 60
Whinchat Regular 18
White Stork Description (EBSIP) 1
White Wagtail Scarce 1
White-fronted Goose Regular 9
White-letter Hairstreak Regular 4
Whitethroat Regular 48
Wigeon Abundant 21
Willow Warbler Regular 38
Wood Pigeon Regular 5
Woodcock Regular 10
Wren Regular 1
Yellow Wagtail Regular 59
Yellowhammer Regular 52