Size It Up

ALL ANSWERS · ANIMALS · DAILY No. 17 · SEPTEMBER 20, 2026

Size It Up Animals answer: September 20

The five Animals silhouettes for September 20, with the true sizes. If you have not played yet, this page is a spoiler — play these five first, then come back to argue with the numbers.

Day 17 ran from a house mouse (8 cm) to a giant squid (12 m). The widest gap was round 3, Giant Manta Ray against Human, at 4.1×; the closest call was round 1, Golden Retriever against Common Raven, only 1.2× apart — the kind of round that separates a 90 from a 60.

  1. ROUND 1

    Golden Retriever vs Common Raven

    Common Raven · reference · 1.2 m
    Golden Retriever · true length · 1 m

    1.2× shorter than the common raven

    A golden retriever is about 1 m from nose to tail base.

  2. ROUND 2

    Smilodon (Smilodon fatalis, body length) vs Koala (large adult, head to rump)

    Koala · reference · 80 cm
    Smilodon · true length · 1.75 m

    2.2× longer than the koala

    Smilodon fatalis, the sabre-toothed cat, reached a body length of 1.75 m and a shoulder height of 1 m.

  3. ROUND 3

    Giant Manta Ray vs Human (Average Adult)

    Human · reference · 1.71 m
    Giant Manta Ray · true wingspan · 7 m

    4.1× wider than the human

    A giant manta ray spans about 7 m wingtip to wingtip.

  4. ROUND 4

    House Mouse (Body) vs Barn Swallow (wingspan)

    Barn Swallow · reference · 32 cm
    House Mouse · true length · 8 cm

    4.0× shorter than the barn swallow

    A house mouse's body is about 8 cm long, with a tail as long again.

  5. ROUND 5

    Giant Squid vs Narwhal (adult male, body without the tusk)

    Narwhal · reference · 4.58 m
    Giant Squid · true length · 12 m

    2.6× longer than the narwhal

    A giant squid stretches about 12 m from mantle to tentacle tip.

Beat these tomorrow

Every round is worth up to 100 points: within 6% of the true size scores 100, half or double scores 45, five times off scores zero. The daily puzzle is the same five for everyone and refreshes at midnight in your time zone; if you want more than five, Size It Up Unlimited draws fresh pairs from the whole library for as long as you like.

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MixedAnimals, planets and everyday things. AnimalsLength, height or wingspan — every round names the axis. GeographyEast–west or north–south span, never area. Pop CultureCheck the version. Compare the measured dimension. VehiclesLength end to end, or height for the ones that stand upright. DinosaursCompare estimated body length, from snout to tail tip. SpaceCompare body diameter. Rings and orbital distances are excluded. Everyday ObjectsLength, height or width — every round names the axis. InsectsBody length or wingspan — read the named measurement. LandmarksRead the named height, length or main span — including its endpoints. Food & DrinkRead the selected size and axis — length, diameter or container height.
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