KnowKi

Learn the wildlife of any country

Learn the wildlife of Sweden

Europe

11,267 species have research-grade observations in Sweden 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. Mallard Anas platyrhynchos3,259
  2. White Wagtail Motacilla alba2,467
  3. Eurasian Jackdaw Coloeus monedula2,309
  4. Barnacle Goose Branta leucopsis2,093
  5. Eurasian Magpie Pica pica2,073
  6. Eurasian Blackbird Turdus merula2,048
  7. Mute Swan Cygnus olor2,000
  8. Hooded Crow Corvus cornix1,971
  9. Black-headed Gull Chroicocephalus ridibundus1,930
  10. Great Tit Parus major1,868

Plants

  1. Common yarrow Achillea millefolium2,968
  2. Lingonberry Vaccinium vitis-idaea2,919
  3. Common bilberry Vaccinium myrtillus2,894
  4. Common heather Calluna vulgaris2,641
  5. Fireweed Chamaenerion angustifolium2,626
  6. Wood anemone Anemonoides nemorosa2,552
  7. European mountain ash Sorbus aucuparia2,316
  8. Scots pine Pinus sylvestris2,199
  9. Common juniper Juniperus communis2,143
  10. Liverleaf Hepatica nobilis2,019

Mammals

  1. Western Roe Deer Capreolus capreolus1,973
  2. Eurasian Red Squirrel Sciurus vulgaris1,824
  3. Moose Alces alces1,160
  4. Brown Hare Lepus europaeus1,039
  5. Common Hedgehog Erinaceus europaeus719
  6. European Rabbit Oryctolagus cuniculus585
  7. Caribou Rangifer tarandus581
  8. Red Fox Vulpes vulpes485
  9. European Fallow Deer Dama dama407
  10. Eurasian Beaver Castor fiber389

Insects

  1. Small Tortoiseshell Aglais urticae2,221
  2. Woodland Dor Beetle Anoplotrupes stercorosus2,049
  3. Silver-washed Fritillary Argynnis paphia1,875
  4. Red Admiral Vanessa atalanta1,799
  5. European Peacock Butterfly Aglais io1,678
  6. Seven-spotted Lady Beetle Coccinella septempunctata1,603
  7. Western Honey Bee Apis mellifera1,580
  8. Asian Lady Beetle Harmonia axyridis1,580
  9. Large Yellow Underwing Noctua pronuba1,552
  10. Common Brimstone Gonepteryx rhamni1,546

Spiders and kin

  1. Cross Orbweaver Araneus diadematus1,476
  2. Goldenrod Crab Spider Misumena vatia867
  3. European Nursery Web spider Pisaura mirabilis764
  4. Giant House Spider Eratigena atrica745
  5. Walnut Orbweaver Nuctenea umbratica652
  6. Fencepost jumping spider Marpissa muscosa449
  7. Canestrini's Harvestman Opilio canestrinii432
  8. Rabbit Hutch Spider Steatoda bipunctata392
  9. European Harvestman Phalangium opilio388

Reptiles

  1. Common Slowworm Anguis fragilis1,596
  2. Grass snake Natrix natrix1,158
  3. Adder Vipera berus1,095
  4. Viviparous Lizard Zootoca vivipara1,041

Amphibians

  1. European Toad Bufo bufo3,407
  2. European Common Frog Rana temporaria1,295
  3. Smooth Newt Lissotriton vulgaris517

Mollusks

  1. Roman Snail Helix pomatia1,524
  2. Brown-lipped Snail Cepaea nemoralis1,213
  3. Leopard Slug Limax maximus734
  4. Copse Snail Arianta arbustorum631

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.