KnowKi

Learn the wildlife of any country

Learn the wildlife of Spain

Europe

28,677 species have research-grade observations in Spain 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. House Sparrow Passer domesticus21,866
  2. Mallard Anas platyrhynchos19,114
  3. Eurasian Blackbird Turdus merula18,967
  4. Eurasian Griffon Gyps fulvus17,916
  5. Eurasian Magpie Pica pica16,772
  6. European Robin Erithacus rubecula15,567
  7. Yellow-legged Gull Larus michahellis15,491
  8. Black Redstart Phoenicurus ochruros14,645
  9. European Stonechat Saxicola rubicola14,107
  10. White Stork Ciconia ciconia13,330

Plants

  1. Sweet acorn oak Quercus rotundifolia15,576
  2. Rosemary Salvia rosmarinus8,814
  3. Mastic Pistacia lentiscus8,801
  4. Gum Rock-rose Cistus ladanifer7,607
  5. Grey-leaved Cistus Cistus albidus7,534
  6. Mediterranean fan palm Chamaerops humilis7,242
  7. Giant reed Arundo donax6,897
  8. Common poppy Papaver rhoeas6,872
  9. Common hawthorn Crataegus monogyna6,860
  10. Purple viper's-bugloss Echium plantagineum6,828

Mammals

  1. European Rabbit Oryctolagus cuniculus8,407
  2. Western Roe Deer Capreolus capreolus4,585
  3. Iberian Ibex Capra pyrenaica4,304
  4. Red Fox Vulpes vulpes4,095
  5. Domestic Cat Felis catus3,966
  6. Red Deer Cervus elaphus3,697
  7. Wild Boar Sus scrofa3,676
  8. Eurasian Red Squirrel Sciurus vulgaris3,105
  9. Pyrenean Chamois Rupicapra pyrenaica2,295

Insects

  1. Speckled Wood Pararge aegeria15,412
  2. Painted Lady Vanessa cardui11,640
  3. Seven-spotted Lady Beetle Coccinella septempunctata9,280
  4. Small White Pieris rapae8,982
  5. Western Honey Bee Apis mellifera8,485
  6. Clouded Yellow Colias crocea8,478
  7. Red Admiral Vanessa atalanta8,443
  8. Egyptian Bird Grasshopper Anacridium aegyptium8,000
  9. Nomad Sympetrum fonscolombii7,844
  10. Old World Swallowtail Papilio machaon7,728

Spiders and kin

  1. Half-edged Wall Jumping Spider Menemerus semilimbatus5,471
  2. Napoleon Spider Synema globosum5,229
  3. Heather crab spider Thomisus onustus4,285
  4. European Nursery Web spider Pisaura mirabilis3,073
  5. Wasp Spider Argiope bruennichi3,051
  6. Banded Garden Spider Argiope trifasciata2,648
  7. Tropical Tent-web Spider Cyrtophora citricola2,318
  8. Lobed Argiope Argiope lobata2,117
  9. Cross Orbweaver Araneus diadematus2,003

Reptiles

  1. Moorish Gecko Tarentola mauritanica12,677
  2. Large Psammodromus Psammodromus algirus8,512
  3. Common Wall Lizard Podarcis muralis7,300
  4. Tenerife Lizard Gallotia galloti6,317
  5. Ocellated Lizard Timon lepidus4,539
  6. Catalonian Wall Lizard Podarcis liolepis4,501
  7. Pond Slider Trachemys scripta3,615
  8. Viperine Snake Natrix maura3,612
  9. Mediterranean Turtle Mauremys leprosa3,101
  10. Ladder Snake Zamenis scalaris3,066

Amphibians

  1. Iberian Green Frog Pelophylax perezi12,148
  2. Natterjack Toad Epidalea calamita7,957
  3. Spiny Toad Bufo spinosus7,902
  4. Fire Salamander Salamandra salamandra7,174
  5. Iberian Frog Rana iberica2,599
  6. Marbled Newt Triturus marmoratus2,073
  7. Bosca's newt Lissotriton boscai2,070
  8. Galician Common Frog Rana parvipalmata1,910

Fish

  1. Ornate Wrasse Thalassoma pavo3,383
  2. Salema Porgy Sarpa salpa2,925
  3. Common Two-banded Seabream Diplodus vulgaris2,686
  4. Dusky Grouper Epinephelus marginatus2,486
  5. Ringneck Blenny Parablennius pilicornis2,371
  6. Mediterranean Rainbow Wrasse Coris julis2,208
  7. White Sea Bream Diplodus sargus2,033
  8. Painted Comber Serranus scriba2,024
  9. Striped Red Mullet Mullus surmuletus1,983

Mollusks

  1. Garden Snail Cornu aspersum6,677
  2. Common Octopus Octopus vulgaris4,625
  3. European Common Cuttlefish Sepia officinalis3,825
  4. White Italian Snail Theba pisana3,598
  5. Decollate Snail Rumina decollata2,832
  6. Chocolate-band Snail Eobania vermiculata2,189

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.