KnowKi

Learn the wildlife of any country

Learn the wildlife of Slovakia

Europe

9,906 species have research-grade observations in Slovakia 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 platyrhynchos1,146
  2. Eurasian Blackbird Turdus merula712
  3. Mute Swan Cygnus olor615
  4. Great Tit Parus major605
  5. Common Buzzard Buteo buteo597
  6. Grey Heron Ardea cinerea578
  7. Black Redstart Phoenicurus ochruros537
  8. Common Wood-Pigeon Columba palumbus513
  9. Common Chaffinch Fringilla coelebs478
  10. Hooded Crow Corvus cornix458

Plants

  1. Cypress spurge Euphorbia cyparissias934
  2. Greater celandine Chelidonium majus786
  3. Small balsam Impatiens parviflora746
  4. Lawn daisy Bellis perennis699
  5. Great stinging nettle Urtica dioica685
  6. Red deadnettle Lamium purpureum680
  7. Willow gentian Gentiana asclepiadea676
  8. Viper's-bugloss Echium vulgare649
  9. Autumn Crocus Colchicum autumnale645
  10. Marsh marigold Caltha palustris633

Mammals

  1. Western Roe Deer Capreolus capreolus529
  2. Northern Chamois Rupicapra rupicapra329
  3. Red Deer Cervus elaphus326
  4. Brown Bear Ursus arctos303
  5. Eurasian Beaver Castor fiber278
  6. Red Fox Vulpes vulpes260
  7. Eurasian Red Squirrel Sciurus vulgaris246
  8. European Ground Squirrel Spermophilus citellus184
  9. Coypu Myocastor coypus174
  10. Brown Hare Lepus europaeus159

Insects

  1. European Stag Beetle Lucanus cervus894
  2. Asian Lady Beetle Harmonia axyridis777
  3. European Mantis Mantis religiosa756
  4. European Firebug Pyrrhocoris apterus667
  5. Seven-spotted Lady Beetle Coccinella septempunctata641
  6. Western Honey Bee Apis mellifera612
  7. Silver-washed Fritillary Argynnis paphia588
  8. European Peacock Butterfly Aglais io548
  9. Red Admiral Vanessa atalanta533
  10. Meadow Brown Maniola jurtina506

Spiders and kin

  1. European Nursery Web spider Pisaura mirabilis322
  2. Wasp Spider Argiope bruennichi290
  3. Cross Orbweaver Araneus diadematus250
  4. Goldenrod Crab Spider Misumena vatia197

Reptiles

  1. Green Lizard Lacerta viridis535
  2. Sand Lizard Lacerta agilis509
  3. Grass snake Natrix natrix427
  4. Adder Vipera berus273
  5. Viviparous Lizard Zootoca vivipara261
  6. Tessellated Water Snake Natrix tessellata256
  7. Aesculapian Snake Zamenis longissimus256
  8. Common Wall Lizard Podarcis muralis232
  9. Smooth Snake Coronella austriaca209
  10. Eastern Slowworm Anguis colchica204

Amphibians

  1. Fire Salamander Salamandra salamandra643
  2. European Toad Bufo bufo538
  3. European Common Frog Rana temporaria377
  4. Yellow-bellied Toad Bombina variegata294
  5. Agile Frog Rana dalmatina223
  6. Green Toad Bufotes viridis213
  7. European Tree Frog Hyla arborea162

Mollusks

  1. Roman Snail Helix pomatia615
  2. Carpathian Blue Slug Bielzia coerulans313
  3. Vineyard Snail Caucasotachea vindobonensis297
  4. White-lipped Snail Cepaea hortensis295
  5. Eastern Heath Snail Xerolenta obvia169
  6. Ash-black Slug Limax cinereoniger167
  7. Leopard Slug Limax maximus156

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.