KnowKi

Learn the wildlife of national parks

Learn the wildlife of Maasduinen National Park

Netherlands

844 species have research-grade observations inside Maasduinen 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. European Stonechat Saxicola rubicola107
  2. Common Buzzard Buteo buteo34
  3. Tufted Duck Aythya fuligula32
  4. Tree Pipit Anthus trivialis32
  5. Common Chaffinch Fringilla coelebs31
  6. Greylag Goose Anser anser26
  7. Grey Heron Ardea cinerea22
  8. Eurasian Blue Tit Cyanistes caeruleus21
  9. Eurasian Kestrel Falco tinnunculus20
  10. Mallard Anas platyrhynchos19

Plants

  1. Common heather Calluna vulgaris25
  2. Climbing Corydalis Ceratocapnos claviculata17
  3. Purple foxglove Digitalis purpurea12
  4. Fireweed Chamaenerion angustifolium11
  5. European mountain ash Sorbus aucuparia9
  6. Common vervain Verbena officinalis9
  7. Narrow-leaved Ragwort Senecio inaequidens8
  8. Gray Hairgrass Corynephorus canescens8
  9. Ragwort Jacobaea vulgaris6
  10. Rabbitfoot clover Trifolium arvense6

Mammals

  1. Western Roe Deer Capreolus capreolus9
  2. Brown Hare Lepus europaeus5
  3. European Badger Meles meles4
  4. Bank Vole Clethrionomys glareolus3
  5. Wild Boar Sus scrofa1
  6. Eurasian Beaver Castor fiber1
  7. Coypu Myocastor coypus1
  8. Eurasian Red Squirrel Sciurus vulgaris1

Insects

  1. Small Copper Lycaena phlaeas43
  2. Northern Dune Tiger Beetle Cicindela hybrida41
  3. Common Blue Damselfly Enallagma cyathigerum34
  4. Black-tailed Skimmer Orthetrum cancellatum31
  5. Common Darter Sympetrum striolatum25
  6. Lythria cruentaria24
  7. Small Heath Coenonympha pamphilus21
  8. Common Brimstone Gonepteryx rhamni20
  9. Ruddy Darter Sympetrum sanguineum20
  10. Blue-winged Grasshopper Oedipoda caerulescens20

Spiders and kin

  1. Wasp Spider Argiope bruennichi12
  2. Cross Orbweaver Araneus diadematus8
  3. Sand Bear Spider Arctosa perita4
  4. Evarcha arcuata4
  5. Goldenrod Crab Spider Misumena vatia3
  6. Gorse Orbweaver Agalenatea redii3
  7. Cricket-bat Orbweaver Mangora acalypha3
  8. Pellenes tripunctatus3
  9. European Nursery Web spider Pisaura mirabilis2
  10. Four-spot Orbweaver Araneus quadratus2

Reptiles

  1. Viviparous Lizard Zootoca vivipara4
  2. Sand Lizard Lacerta agilis4
  3. Common Slowworm Anguis fragilis2

Amphibians

  1. European Toad Bufo bufo14
  2. Natterjack Toad Epidalea calamita9
  3. Alpine Newt Mesotriton alpestris2
  4. Moor Frog Rana arvalis1

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.