KnowKi

Learn the wildlife of any country

Learn the wildlife of Guernsey

Europe

1,555 species have research-grade observations in Guernsey on iNaturalist. KnowKi turns the most recorded into short lessons with real photos, so you can learn a country's wildlife from home.

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Āki the kiwi, KnowKi's guide

Most recorded here

The species with the most research-grade observations on iNaturalist, and how many each has. Most recorded doesn't mean native.

Birds

  1. European Stonechat Saxicola rubicola46
  2. Eurasian Oystercatcher Haematopus ostralegus40
  3. Eurasian Kestrel Falco tinnunculus33
  4. Common Buzzard Buteo buteo28
  5. European Herring Gull Larus argentatus26
  6. Little Egret Egretta garzetta24
  7. European Robin Erithacus rubecula20
  8. Atlantic Puffin Fratercula arctica19
  9. Mallard Anas platyrhynchos19
  10. European Shag Gulosus aristotelis19

Plants

  1. Red campion Silene dioica158
  2. Wall Pennywort Umbilicus rupestris98
  3. Sea Thrift Armeria maritima80
  4. Sheep's-bit Jasione montana60
  5. Sea Campion Silene uniflora59
  6. Rock samphire Crithmum maritimum51
  7. Common Honeysuckle Lonicera periclymenum41
  8. Three-cornered garlic Allium triquetrum40
  9. Hart's-tongue fern Asplenium scolopendrium40
  10. Blackthorn Prunus spinosa36

Mammals

  1. European Rabbit Oryctolagus cuniculus19
  2. Common Hedgehog Erinaceus europaeus17
  3. Grey Seal Halichoerus grypus15
  4. Common Bottlenose Dolphin Tursiops truncatus4
  5. European Mole Talpa europaea4

Insects

  1. Speckled Wood Pararge aegeria103
  2. Red Admiral Vanessa atalanta96
  3. Gatekeeper Pyronia tithonus85
  4. Common Blue Polyommatus icarus82
  5. Meadow Brown Maniola jurtina66
  6. Glanville Fritillary Melitaea cinxia59
  7. Painted Lady Vanessa cardui56
  8. Wall Brown Lasiommata megera53
  9. Seven-spotted Lady Beetle Coccinella septempunctata45
  10. Asian Lady Beetle Harmonia axyridis42

Spiders and kin

  1. Cross Orbweaver Araneus diadematus36
  2. Goldenrod Crab Spider Misumena vatia19
  3. Noble False Widow Steatoda nobilis18
  4. European Nursery Web spider Pisaura mirabilis11
  5. Bordered Orbweaver Neoscona adianta11
  6. Galium gall mite Cecidophyes rouhollahi9
  7. Wasp Spider Argiope bruennichi7
  8. Gorse Orbweaver Agalenatea redii5
  9. Gorse Spider Mite Tetranychus lintearius5
  10. Fuchsia Gall Mite Aculops fuchsiae5

Fish

  1. Shanny Lipophrys pholis6
  2. Tompot Blenny Parablennius gattorugine5
  3. Rock Goby Gobius paganellus5

Mollusks

  1. Garden Snail Cornu aspersum28
  2. Green Ormer Haliotis tuberculata24
  3. Pacific Oyster Magallana gigas24
  4. White Italian Snail Theba pisana21
  5. Lined Top Shell Phorcus lineatus17
  6. Common European Limpet Patella vulgata11
  7. Side-gilled Seaslug Berthella plumula10
  8. Sap-sucking Slug Elysia viridis9
  9. Brown-lipped Snail Cepaea nemoralis8
  10. Celtic Sea Slug Onchidella celtica8

How a trip works

A trip has its own trail of lessons: meet six species, match them to new photos, then practice with four choices. Species you learn go into your Fieldbook, and starting a trip earns its Passport stamp. Your home place stays as it is.

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Species lists and counts from research-grade observations on iNaturalist, as of October 2026. Free, with no ads, no account and no purchases.