ALL ANSWERS · DINOSAURS · DAILY No. 26 · SEPTEMBER 29, 2026

Size It Up Dinosaurs answer: September 29

The five Dinosaurs silhouettes for September 29, 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 26 ran from a velociraptor (1.8 m) to a carnotaurus (8 m). The widest gap was round 5, Dromaeosaurus against Ceratosaurus, at 3.9×; the closest call was round 1, Centrosaurus against Carnotaurus, only 1.3× apart — the kind of round that separates a 90 from a 60.

  1. ROUND 1

    Centrosaurus Centrosaurus apertus vs Carnotaurus Carnotaurus sastrei

    Carnotaurus · reference · 8 m
    Centrosaurus · true length · 6 m

    1.3× shorter than the carnotaurus

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

  2. ROUND 2

    Gigantoraptor Gigantoraptor erlianensis vs Concavenator Concavenator corcovatus

    Concavenator · reference · 6 m
    Gigantoraptor · true length · 8 m

    1.3× longer than the concavenator

    Gigantoraptor is represented here by a selected estimated total length of 8 m. Dinosaur reconstructions vary; this is the published estimate used for this comparison.

  3. ROUND 3

    Yutyrannus Yutyrannus huali vs Pachycephalosaurus Pachycephalosaurus wyomingensis

    Pachycephalosaurus · reference · 3 m
    Yutyrannus · true length · 7.5 m

    2.5× longer than the pachycephalosaurus

    Yutyrannus is represented here by a selected estimated total length of 7.5 m. Dinosaur reconstructions vary; this is the published estimate used for this comparison.

  4. ROUND 4

    Velociraptor Velociraptor mongoliensis vs Anchiceratops Anchiceratops ornatus

    Anchiceratops · reference · 6 m
    Velociraptor · true length · 1.8 m

    3.3× shorter than the anchiceratops

    Velociraptor is represented here by a selected estimated total length of 1.8 m. Dinosaur reconstructions vary; this is the source value used for this comparison.

  5. ROUND 5

    Dromaeosaurus Dromaeosaurus albertensis vs Ceratosaurus Ceratosaurus nasicornis

    Ceratosaurus · reference · 7 m
    Dromaeosaurus · true length · 1.8 m

    3.9× shorter than the ceratosaurus

    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.

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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