Size It Up

ALL ANSWERS · ANIMALS · DAILY No. 18 · SEPTEMBER 21, 2026

Size It Up Animals answer: September 21

The five Animals silhouettes for September 21, 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 18 ran from a freshwater shrimp (1.5 cm) to a whale shark (12 m). The widest gap was round 1, Whale Shark against Greater Flamingo, at 9.2×; the closest call was round 3, Blue Sea Dragon against Freshwater Shrimp, only 2.0× apart — the kind of round that separates a 90 from a 60.

  1. ROUND 1

    Whale Shark vs Greater Flamingo

    Greater Flamingo · reference · 1.3 m
    Whale Shark · true length · 12 m

    9.2× longer than the greater flamingo

    The whale shark, the largest fish, averages about 12 m.

  2. ROUND 2

    Gray Wolf vs Great White Shark

    Great White Shark · reference · 4.5 m
    Gray Wolf · true length · 1.2 m

    3.8× shorter than the great white shark

    A gray wolf is about 1.2 m long, nose to tail base.

  3. ROUND 3

    Blue Sea Dragon (adult) vs Freshwater Shrimp (adult)

    Freshwater Shrimp · reference · 1.5 cm
    Blue Sea Dragon · true length · 3 cm

    2.0× longer than the freshwater shrimp

    A blue sea dragon is about 3 cm long and floats upside down on the surface of the open ocean.

  4. ROUND 4

    Emu vs European Hedgehog (large adult)

    European Hedgehog · reference · 26 cm
    Emu · true height · 1.7 m

    6.5× taller than the European hedgehog

    An emu stands about 1.7 m tall — eye to eye with an adult human.

  5. ROUND 5

    Axolotl (adult) vs Monarch Butterfly

    Monarch Butterfly · reference · 10 cm
    Axolotl · true length · 23 cm

    2.3× longer than the monarch butterfly

    An axolotl is about 23 cm long, keeps its gills for life and regrows lost limbs.

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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