ALL ANSWERS · DINOSAURS · DAILY No. 24 · SEPTEMBER 27, 2026

Size It Up Dinosaurs answer: September 27

The five Dinosaurs silhouettes for September 27, 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 24 ran from a dromaeosaurus (1.8 m) to a diplodocus (26 m). The widest gap was round 2, Diplodocus against Yutyrannus, at 3.5×; the closest call was round 3, Anchiceratops against Abelisaurus, only 1.5× apart — the kind of round that separates a 90 from a 60.

  1. ROUND 1

    Dromaeosaurus Dromaeosaurus albertensis vs Deinonychus Deinonychus antirrhopus

    Deinonychus · reference · 3.4 m
    Dromaeosaurus · true length · 1.8 m

    1.9× shorter than the deinonychus

    Dromaeosaurus is represented here by a selected estimated total length of 1.8 m. Dinosaur reconstructions vary; this is the published estimate used for this comparison.

  2. ROUND 2

    Diplodocus Diplodocus carnegii vs Yutyrannus Yutyrannus huali

    Yutyrannus · reference · 7.5 m
    Diplodocus · true length · 26 m

    3.5× longer than the yutyrannus

    Diplodocus is represented here by a selected estimated total length of 26 m. Dinosaur reconstructions vary; this is the source value used for this comparison.

  3. ROUND 3

    Anchiceratops Anchiceratops ornatus vs Abelisaurus Abelisaurus comahuensis

    Abelisaurus · reference · 9 m
    Anchiceratops · true length · 6 m

    1.5× shorter than the abelisaurus

    Anchiceratops is represented here by a selected estimated total length of 6 m. Dinosaur reconstructions vary; this is the published estimate used for this comparison.

  4. ROUND 4

    Acrocanthosaurus Acrocanthosaurus atokensis vs Apatosaurus Apatosaurus louisae

    Apatosaurus · reference · 21 m
    Acrocanthosaurus · true length · 12 m

    1.8× shorter than the apatosaurus

    Acrocanthosaurus is represented here by a selected estimated total length of 12 m. Dinosaur reconstructions vary; this is the published estimate used for this comparison.

  5. ROUND 5

    Anchisaurus Anchisaurus polyzelus vs Eotyrannus Eotyrannus lengi

    Eotyrannus · reference · 5 m
    Anchisaurus · true length · 2 m

    2.5× shorter than the eotyrannus

    Anchisaurus is represented here by a selected estimated total length of 2 m. Dinosaur reconstructions vary; this is the published estimate used for this comparison.

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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