KnowKi

Learn the wildlife of any country

Learn the wildlife of Portugal

Europe

15,948 species have research-grade observations in Portugal 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. Eurasian Blackbird Turdus merula9,327
  2. House Sparrow Passer domesticus8,389
  3. Mallard Anas platyrhynchos7,665
  4. European Stonechat Saxicola rubicola7,218
  5. Yellow-legged Gull Larus michahellis7,134
  6. Black Redstart Phoenicurus ochruros6,498
  7. Grey Heron Ardea cinerea6,110
  8. Little Egret Egretta garzetta6,090
  9. Rock Pigeon Columba livia5,872
  10. White Wagtail Motacilla alba5,716

Plants

  1. Bermuda buttercup Oxalis pes-caprae8,047
  2. Sage-leaved Rock-rose Cistus salviifolius6,276
  3. Boar Thistle Galactites tomentosus6,262
  4. Silver wattle Acacia dealbata5,485
  5. Purple viper's-bugloss Echium plantagineum5,117
  6. Cork oak Quercus suber4,867
  7. Mastic Pistacia lentiscus4,734
  8. Giant reed Arundo donax4,585
  9. Strawberry tree Arbutus unedo4,458
  10. Wall Pennywort Umbilicus rupestris4,360

Mammals

  1. European Rabbit Oryctolagus cuniculus1,815
  2. Common Hedgehog Erinaceus europaeus1,711
  3. Eurasian Red Squirrel Sciurus vulgaris1,554
  4. Red Fox Vulpes vulpes1,469
  5. Wild Boar Sus scrofa1,212

Insects

  1. Speckled Wood Pararge aegeria9,384
  2. Western Honey Bee Apis mellifera5,546
  3. Longleaf Wattle Gall Wasp Trichilogaster acaciaelongifoliae4,548
  4. Egyptian Bird Grasshopper Anacridium aegyptium4,303
  5. Seven-spotted Lady Beetle Coccinella septempunctata4,273
  6. Red Admiral Vanessa atalanta4,209
  7. Old World Swallowtail Papilio machaon4,183
  8. Double-striped Pug Gymnoscelis rufifasciata4,037
  9. Nomad Sympetrum fonscolombii3,958
  10. Meadow Brown Maniola jurtina3,745

Spiders and kin

  1. Napoleon Spider Synema globosum3,144
  2. Noble False Widow Steatoda nobilis2,125
  3. Heather crab spider Thomisus onustus1,689
  4. European Nursery Web spider Pisaura mirabilis1,451
  5. Mediterranean Spiny False Wolf Spider Zoropsis spinimana1,434
  6. Half-edged Wall Jumping Spider Menemerus semilimbatus1,316
  7. Banded Garden Spider Argiope trifasciata1,232
  8. Wasp Spider Argiope bruennichi1,135
  9. Cross Orbweaver Araneus diadematus1,036

Reptiles

  1. Moorish Gecko Tarentola mauritanica6,410
  2. Madeira Lizard Teira dugesii5,488
  3. Large Psammodromus Psammodromus algirus4,863
  4. Green Iberian Wall Lizard Podarcis virescens3,934
  5. Ocellated Lizard Timon lepidus2,197
  6. Bocage's Wall Lizard Podarcis bocagei2,039
  7. Mediterranean Turtle Mauremys leprosa1,868
  8. Western Montpellier Snake Malpolon monspessulanus1,763
  9. Viperine Snake Natrix maura1,689
  10. Horseshoe Whip Snake Hemorrhois hippocrepis1,665

Amphibians

  1. Iberian Green Frog Pelophylax perezi9,478
  2. Fire Salamander Salamandra salamandra5,357
  3. Spiny Toad Bufo spinosus4,797
  4. Natterjack Toad Epidalea calamita2,779
  5. Iberian Frog Rana iberica2,224
  6. Marbled Newt Triturus marmoratus1,708
  7. Bosca's newt Lissotriton boscai1,420
  8. Iberian Painted Frog Discoglossus galganoi1,254

Mollusks

  1. Garden Snail Cornu aspersum4,877
  2. White Italian Snail Theba pisana3,480
  3. Milk Snail Otala lactea2,228
  4. Variegated Scallop Mimachlamys varia1,920
  5. Decollate Snail Rumina decollata1,341
  6. Brown-lipped Snail Cepaea nemoralis1,181
  7. European Common Cuttlefish Sepia officinalis1,098
  8. Common Octopus Octopus vulgaris1,007

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.