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PANDUANHEWAN · INDONESIA

Nocturnal and diurnal animals quiz

A 10-question quiz: is this Indonesian animal active at night, by day or at dusk? With answers, sources and explanations.

10 multiple-choice questions. Choose your answer, then open “Show answer” to check it. Every answer comes from the sourced data on the animal’s page, so teachers can also use the quiz for class discussion. No sign-up and no data stored.

  1. When is the Komodo dragon mainly active?

    • A nocturnal (active at night)
    • B diurnal (active by day)
    • C crepuscular (active at dawn and dusk)
    • D cathemeral (active irregularly by day and night)
    Show answer

    Answer: B. diurnal (active by day). Komodo dragon is diurnal (active by day). At night and in very hot weather it shelters in burrows. Source: Varanus komodoensis (Komodo dragon) - Animal Diversity Web, University of Michigan Museum of Zoology ↗.

  2. When is the banteng mainly active?

    • A nocturnal (active at night)
    • B diurnal (active by day)
    • C crepuscular (active at dawn and dusk)
    • D cathemeral (active irregularly by day and night)
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    Answer: D. cathemeral (active irregularly by day and night). Banteng is cathemeral (active irregularly by day and night). It becomes more nocturnal where people encroach on its range. Source: Handbook of the Mammals of the World, Vol. 2 Hoofed Mammals (Wilson & Mittermeier eds., Lynx Edicions 2011), Bovidae: Bos javanicus account (Plazi treatment) ↗.

  3. When is the saltwater crocodile mainly active?

    • A nocturnal (active at night)
    • B diurnal (active by day)
    • C crepuscular (active at dawn and dusk)
    • D cathemeral (active irregularly by day and night)
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    Answer: A. nocturnal (active at night). Saltwater crocodile is nocturnal (active at night). It will also hunt by day when an opportunity arises, and often basks by day. Source: Estuarine Crocodile - The Australian Museum ↗.

  4. When is the domestic cat mainly active?

    • A nocturnal (active at night)
    • B diurnal (active by day)
    • C crepuscular (active at dawn and dusk)
    • D cathemeral (active irregularly by day and night)
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    Answer: C. crepuscular (active at dawn and dusk). Domestic cat is crepuscular (active at dawn and dusk). Pet cats often adjust their active hours to their owners' routine. Source: Parker, M. et al. (2022) Comparison of Locomotor and Feeding Rhythms between Indoor and Outdoor Cats Living in Captivity. Animals 12(18):2440 (MDPI; PMC9494968) ↗.

  5. When is the Sumatran tiger mainly active?

    • A nocturnal (active at night)
    • B diurnal (active by day)
    • C crepuscular (active at dawn and dusk)
    • D cathemeral (active irregularly by day and night)
    Show answer

    Answer: B. diurnal (active by day). Sumatran tiger is diurnal (active by day). Near settlements, Sumatran tigers are more active at night and at twilight. Source: Terrestrial mammal community richness and temporal overlap between tigers and other carnivores in Bukit Barisan Selatan National Park, Sumatra (Allen et al. 2020, Animal Biodiversity and Conservation 43: 97-107; author PDF) ↗.

  6. When is the dugong mainly active?

    • A nocturnal (active at night)
    • B diurnal (active by day)
    • C crepuscular (active at dawn and dusk)
    • D cathemeral (active irregularly by day and night)
    Show answer

    Answer: D. cathemeral (active irregularly by day and night). Dugong is cathemeral (active irregularly by day and night). Its feeding times follow the tides more than day or night. Source: Sheppard, J.K. (2008) The spatial ecology of dugongs: applications to conservation management. PhD thesis, James Cook University (ResearchOnline@JCU) ↗.

  7. When is the Sumatran rhinoceros mainly active?

    • A nocturnal (active at night)
    • B diurnal (active by day)
    • C crepuscular (active at dawn and dusk)
    • D cathemeral (active irregularly by day and night)
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    Answer: A. nocturnal (active at night). Sumatran rhinoceros is nocturnal (active at night). This pattern may partly reflect poaching pressure. Source: Handbook of the Mammals of the World, Vol. 2 Hoofed Mammals (Wilson & Mittermeier eds., Lynx Edicions 2011), Rhinocerotidae: Dicerorhinus sumatrensis account (Plazi treatment) ↗.

  8. When is the binturong mainly active?

    • A nocturnal (active at night)
    • B diurnal (active by day)
    • C crepuscular (active at dawn and dusk)
    • D cathemeral (active irregularly by day and night)
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    Answer: C. crepuscular (active at dawn and dusk). Binturong is crepuscular (active at dawn and dusk). At forest edges and in disturbed forest, binturongs shift to more night-time activity. Source: Binturong ecology and conservation in pristine, fragmented and degraded tropical forests - Oryx 58(2), 2024, Cambridge University Press ↗.

  9. When is the proboscis monkey mainly active?

    • A nocturnal (active at night)
    • B diurnal (active by day)
    • C crepuscular (active at dawn and dusk)
    • D cathemeral (active irregularly by day and night)
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    Answer: B. diurnal (active by day). Proboscis monkey is diurnal (active by day). Most active from late afternoon until dark. Source: Nasalis larvatus (proboscis monkey) – Animal Diversity Web ↗.

  10. When is the Sumatran elephant mainly active?

    • A nocturnal (active at night)
    • B diurnal (active by day)
    • C crepuscular (active at dawn and dusk)
    • D cathemeral (active irregularly by day and night)
    Show answer

    Answer: D. cathemeral (active irregularly by day and night). Sumatran elephant is cathemeral (active irregularly by day and night). Activity often peaks at night, with rest around midday. Source: Elephas maximus (Asian elephant) - Animal Diversity Web, University of Michigan ↗.

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