oligophagous

/ˌɑːlɪˈɡɑːfəɡəs/
adjective
  1. Describing an animal that eats only a few specific types of food, especially a narrow range of plants.
    • Many caterpillars are oligophagous, eating only plants from one family.
    • The koala is oligophagous, feeding almost exclusively on eucalyptus leaves.
    • Oligophagous herbivores can be vulnerable if their preferred food source disappears.
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What does "oligophagous" mean? | whatsthatwordmean | whatsthatwordmean