KnowKi

Learn the wildlife of national parks

Learn the wildlife of Tyresta National Park

Stockholm · Sweden

504 species have research-grade observations inside Tyresta National Park on iNaturalist. KnowKi turns the most recorded into short lessons with real photos, so you know what you're looking at before you go.

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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 platyrhynchos26
  2. Arctic Loon Gavia arctica17
  3. Canada Goose Branta canadensis12
  4. Great Spotted Woodpecker Dendrocopos major11
  5. Common Goldeneye Bucephala clangula9
  6. Osprey Pandion haliaetus8
  7. Eurasian Treecreeper Certhia familiaris5
  8. Eurasian Blackbird Turdus merula5
  9. European Robin Erithacus rubecula5
  10. Eurasian Nuthatch Sitta europaea5

Plants

  1. Marsh Labrador tea Rhododendron tomentosum39
  2. Scots pine Pinus sylvestris30
  3. Common heather Calluna vulgaris28
  4. Lingonberry Vaccinium vitis-idaea25
  5. Norway spruce Picea abies23
  6. Common bilberry Vaccinium myrtillus20
  7. Round-leaved sundew Drosera rotundifolia19
  8. Common Cow-wheat Melampyrum pratense16
  9. Bog myrtle Myrica gale16
  10. Wood horsetail Equisetum sylvaticum15

Mammals

  1. Eurasian Beaver Castor fiber11
  2. Moose Alces alces5
  3. Eurasian Red Squirrel Sciurus vulgaris4
  4. Western Roe Deer Capreolus capreolus3
  5. Eurasian Pine Marten Martes martes1
  6. Red Fox Vulpes vulpes1
  7. European Wood Mouse Apodemus sylvaticus1

Insects

  1. Woodland Dor Beetle Anoplotrupes stercorosus27
  2. Red Pine Longhorn Beetle Stictoleptura rubra11
  3. Black Meadowhawk Sympetrum danae11
  4. Green Tiger Beetle Cicindela campestris10
  5. Mourning Cloak Nymphalis antiopa9
  6. Four-spotted Skimmer Libellula quadrimaculata9
  7. Green Hairstreak Callophrys rubi8
  8. Eurasian Bee Beetle Trichius fasciatus5
  9. Ruddy Darter Sympetrum sanguineum5
  10. Heath Fritillary Melitaea athalia5

Spiders and kin

  1. Cross Orbweaver Araneus diadematus6
  2. Acantholycosa lignaria6
  3. Goldenrod Crab Spider Misumena vatia4
  4. Raft Spider Dolomedes fimbriatus4
  5. Marbled Orbweaver Araneus marmoreus3
  6. V-Signed Jumping Spider Aelurillus v-insignitus3
  7. European Nursery Web spider Pisaura mirabilis2
  8. Conical Trashline Orbweaver Cyclosa conica2
  9. Copper Sun Jumper Heliophanus cupreus1
  10. Saddleback Harvestman Mitopus morio1

Reptiles

  1. Common Slowworm Anguis fragilis16
  2. Grass snake Natrix natrix11
  3. Viviparous Lizard Zootoca vivipara6
  4. Adder Vipera berus5
  5. Smooth Snake Coronella austriaca2

Amphibians

  1. European Toad Bufo bufo48
  2. European Common Frog Rana temporaria8
  3. Moor Frog Rana arvalis3
  4. Smooth Newt Lissotriton vulgaris1

Mollusks

  1. Roman Snail Helix pomatia7
  2. Ash-black Slug Limax cinereoniger3
  3. White-lipped Snail Cepaea hortensis1

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. Parks outside the U.S. are from the World Database on Protected Areas (UNEP-WCMC and IUCN, Protected Planet). KnowKi is not affiliated with the National Park Service or any park's managers. Free, with no ads, no account, and no purchases.