KnowKi

Learn the wildlife of any country

Learn the wildlife of Sierra Leone

Africa

1,304 species have research-grade observations in Sierra Leone 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. Palm-nut Vulture Gypohierax angolensis20
  2. Hooded Vulture Necrosyrtes monachus19
  3. Reed Cormorant Microcarbo africanus17
  4. Pied Crow Corvus albus16
  5. Common Bulbul Pycnonotus barbatus15
  6. Western Cattle-Egret Ardea ibis15
  7. Village Weaver Ploceus cucullatus13
  8. African Woolly-necked Stork Ciconia microscelis13
  9. Western Reef Heron Egretta gularis12
  10. Yellow-casqued Hornbill Ceratogymna elata12

Plants

  1. Bloodlily Scadoxus multiflorus20
  2. Caesar weed Urena lobata12
  3. Eulophia cristata12
  4. Heart of Jesus Caladium bicolor11
  5. Red-leaved Mussaenda Mussaenda erythrophylla10
  6. Siam weed Chromolaena odorata9
  7. Sensitive Plant Mimosa pudica8
  8. Amorphophallus aphyllus8
  9. Lasimorpha senegalensis8
  10. Vlei Harlequin Eulophia angolensis8

Mammals

  1. Straw-coloured Fruit Bat Eidolon helvum19
  2. Green Monkey Chlorocebus sabaeus14
  3. Western Red Colobus Piliocolobus badius13
  4. Campbell's Monkey Cercopithecus campbelli12
  5. Diana Monkey Cercopithecus diana11
  6. Lesser Spot-nosed Monkey Cercopithecus petaurista8
  7. Maxwell's Duiker Philantomba maxwellii8
  8. King Colobus Colobus polykomos7
  9. Büttikofer's Epauletted Bat Epomops buettikoferi6
  10. Hammer-headed Fruit Bat Hypsignathus monstrosus6

Insects

  1. Soldier Commodore Junonia terea21
  2. Variegated grasshopper Zonocerus variegatus19
  3. Forest Glade Nymph Aterica galene19
  4. Danaid Eggfly Hypolimnas misippus17
  5. Fashion Commodore Precis pelarga15
  6. Blue-spot Pansy Junonia oenone14
  7. Cabbage Tree Emperor Bunaea alcinoe14
  8. African Weaver Ant Oecophylla longinoda12
  9. Lucia Widow Palpopleura lucia11
  10. Grey Smoky Blue Euchrysops malathana11

Spiders and kin

  1. Hairy Golden Orb-weaving Spider Trichonephila fenestrata19
  2. Pantropical Huntsman Spider Heteropoda venatoria17
  3. Common Emperor Scorpion Pandinus imperator9
  4. Gasteracantha curvispina5
  5. Featherleg Baboon Spider Stromatopelma calceatum4
  6. African Hermit Spider Nephilingis cruentata3
  7. Alligatorback Scorpion Hottentotta hottentotta2
  8. Argiope flavipalpis2

Reptiles

  1. Nile Monitor Varanus niloticus18
  2. Senegal Mabuya Trachylepis affinis16
  3. Graceful Chameleon Chamaeleo gracilis14
  4. Western Green Mamba Dendroaspis viridis9
  5. Peters's Rock Agama Agama picticauda9
  6. Elegant Sand Racer Psammophis elegans8
  7. Western Gaboon Viper Bitis rhinoceros8
  8. Bird Snake Thelotornis kirtlandii7
  9. Blandings Tree Snake Toxicodryas blandingii6
  10. Ball Python Python regius6

Amphibians

  1. Crowned bullfrog Hoplobatrachus occipitalis9
  2. Egyptian Toad Sclerophrys regularis9
  3. Hallowell's Toad Sclerophrys maculata9
  4. Lesser White-Lipped Frog Hylarana parva8
  5. Mottled Squeaker Arthroleptis poecilonotus7
  6. Tropical Clawed Frog Xenopus tropicalis7
  7. Saber-toothed frog Odontobatrachus natator7
  8. Phrynobatrachus alleni6
  9. Conraua alleni5
  10. Sierra Leone Reed Frog Hyperolius chlorosteus4

Fish

  1. Archiaphyosemion guineense22
  2. Banded Jewelfish Hemichromis fasciatus22
  3. Tailspot Ctenopoma Ctenopoma kingsleyae18
  4. Scriptaphyosemion chaytori13
  5. Scriptaphyosemion wieseae11
  6. Norman's lampeye Poropanchax normani9
  7. Long-fin Tetra Bryconalestes longipinnis8
  8. Raiamas steindachneri7
  9. Scriptaphyosemion geryi7
  10. Louka Tilapia Coptodon louka7

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.