ALL ANSWERS · DINOSAURS · DAILY No. 44 · OCTOBER 17, 2026

Size It Up Dinosaurs answer: October 17

The five Dinosaurs silhouettes for October 17, 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 44 ran from a compsognathus (70 cm) to a torvosaurus (10 m). The widest gap was round 4, Compsognathus against Polacanthus, at 7.1×; the closest call was round 5, Maiasaura against Yutyrannus, only 1.2× apart — the kind of round that separates a 90 from a 60.

  1. ROUND 1

    Carnotaurus Carnotaurus sastrei vs Zuniceratops Zuniceratops christopheri

    Zuniceratops · reference · 3.5 m
    Carnotaurus · true length · 8 m

    2.3× longer than the zuniceratops

    Carnotaurus is represented here by a selected estimated total length of 8 m. Dinosaur reconstructions vary; this is the source value used for this comparison.

  2. ROUND 2

    Protoceratops Protoceratops andrewsi vs Ankylosaurus Ankylosaurus magniventris

    Ankylosaurus · reference · 8 m
    Protoceratops · true length · 1.8 m

    4.4× shorter than the ankylosaurus

    Protoceratops 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.

  3. ROUND 3

    Torvosaurus Torvosaurus tanneri vs Deinonychus Deinonychus antirrhopus

    Deinonychus · reference · 3.4 m
    Torvosaurus · true length · 10 m

    2.9× longer than the deinonychus

    Torvosaurus is represented here by a selected estimated total length of 10 m. Dinosaur reconstructions vary; this is the published estimate used for this comparison.

  4. ROUND 4

    Compsognathus Compsognathus longipes vs Polacanthus Polacanthus foxii

    Polacanthus · reference · 5 m
    Compsognathus · true length · 70 cm

    7.1× shorter than the polacanthus

    Compsognathus is represented here by a selected estimated total length of 0.7 m. Dinosaur reconstructions vary; this is the source value used for this comparison.

  5. ROUND 5

    Maiasaura Maiasaura peeblesorum vs Yutyrannus Yutyrannus huali

    Yutyrannus · reference · 7.5 m
    Maiasaura · true length · 9 m

    1.2× longer than the yutyrannus

    Maiasaura is represented here by a selected estimated total length of 9 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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