KnowKi

Learn the wildlife of national parks

Learn the wildlife of Pirin National Park

Bulgaria

692 species have research-grade observations inside Pirin 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.

Start this trip in KnowKi →
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. Ring Ouzel Turdus torquatus13
  2. Northern Nutcracker Nucifraga caryocatactes12
  3. Red Crossbill Loxia curvirostra10
  4. Common Chaffinch Fringilla coelebs8
  5. European Robin Erithacus rubecula8
  6. Eurasian Jay Garrulus glandarius5
  7. Black Redstart Phoenicurus ochruros5
  8. Eurasian Bullfinch Pyrrhula pyrrhula4
  9. Short-toed Snake-Eagle Circaetus gallicus3
  10. Yellow-billed Chough Pyrrhocorax graculus3

Plants

  1. Dianthus microlepis40
  2. Fireweed Chamaenerion angustifolium26
  3. Scarlet Avens Geum coccineum24
  4. Pinguicula balcanica20
  5. Common bilberry Vaccinium myrtillus19
  6. Sempervivum heuffelii19
  7. Saxifraga ferdinandi-coburgi18
  8. Macedonian pine Pinus peuce16
  9. Bosnian pine Pinus heldreichii16
  10. Spring gentian Gentiana verna14

Mammals

  1. Northern Chamois Rupicapra rupicapra32
  2. Eurasian Red Squirrel Sciurus vulgaris4
  3. Red Fox Vulpes vulpes1
  4. Wild Boar Sus scrofa1
  5. Western Roe Deer Capreolus capreolus1
  6. European Mole Talpa europaea1

Insects

  1. Large Ringlet Erebia euryale40
  2. Eastern large Heath Coenonympha rhodopensis30
  3. Queen of Spain Fritillary Issoria lathonia20
  4. Ottoman Brassy Ringlet Erebia ottomana18
  5. Blue Ground Beetle Carabus intricatus17
  6. Turquoise Blue Polyommatus dorylas17
  7. Common Blue Polyommatus icarus15
  8. Small Tortoiseshell Aglais urticae14
  9. Painted Lady Vanessa cardui12
  10. Club-legged Grasshopper Gomphocerus sibiricus12

Spiders and kin

  1. Oak Spider Aculepeira ceropegia4
  2. European Harvestman Phalangium opilio2
  3. Opilio ruzickai2
  4. Goldenrod Crab Spider Misumena vatia1
  5. Heather crab spider Thomisus onustus1
  6. Humped orbweb spider Gibbaranea gibbosa1

Reptiles

  1. Adder Vipera berus10
  2. Sand Lizard Lacerta agilis3
  3. Viviparous Lizard Zootoca vivipara2
  4. Green Lizard Lacerta viridis1

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.

Start this trip in KnowKi →

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.