Size It Up #13 (November 8, 2026): answers and real sizes

Round 1: Etruscan shrew next to axolotl

Etruscan shrew (Suncus etruscus): 4 cm · 1.6 in, adult, head to tail base (silhouette: Soricidae). The reference, axolotl, is 23 cm · 9.1 in long, so the etruscan shrew is 5.8× smaller. A guess between 3.8 cm and 4.2 cm scores 100; 2 cm or 8 cm scores 59. The hint window for this round was 2 cm to 10 cm.

Source: Wikipedia, Etruscan shrew · reference: Wikipedia, Axolotl · silhouettes: PhyloPic (public domain; public domain)

Round 2: Goblin shark next to humpback whale

Goblin shark (Mitsukurina owstoni): 3.5 m · 11 ft, adult, total length. The reference, humpback whale, is 14 m · 46 ft long, so the goblin shark is 4× smaller. A guess between 3.3 m and 3.7 m scores 100; 1.8 m or 7 m scores 59. The hint window for this round was 2 m to 10 m.

Source: Wikipedia, Goblin shark · reference: Wikipedia, Humpback whale · silhouettes: PhyloPic (Dianne Bray / Museum Victoria (vectorized by T. Michael Keesey), CC BY; public domain)

Round 3: Golden hamster next to burmese python

Golden hamster (Mesocricetus auratus): 15 cm · 5.9 in, adult, head to tail base (silhouette: Cricetidae). The reference, burmese python, is 3.7 m · 12 ft long, so the golden hamster is 25× smaller. A guess between 14 cm and 16 cm scores 100; 7.5 cm or 30 cm scores 59. The hint window for this round was 6 cm to 30 cm.

Source: Wikipedia, Golden hamster · reference: Wikipedia, Burmese python · silhouettes: PhyloPic (public domain; DS Biswas, CC BY)

Round 4: Gray wolf next to red-bellied piranha

Gray wolf (Canis lupus): 1.3 m · 4 ft 3 in, adult male, head to tail base. The reference, red-bellied piranha, is 28 cm · 11 in long, so the gray wolf is 4.6× bigger. A guess between 1.2 m and 1.4 m scores 100; 65 cm or 2.6 m scores 59. The hint window for this round was 40 cm to 2 m.

Source: Wikipedia, Gray wolf · reference: Wikipedia, Red-bellied piranha · silhouettes: PhyloPic (public domain; public domain)

Round 5: Sea otter next to leopard gecko

Sea otter (Enhydra lutris): 1.2 m · 3 ft 11 in, adult, nose to tail tip. The reference, leopard gecko, is 20 cm · 7.9 in long, so the sea otter is 6× bigger. A guess between 1.1 m and 1.3 m scores 100; 60 cm or 2.4 m scores 59. The hint window for this round was 30 cm to 1.5 m.

Source: Wikipedia, Sea otter · reference: Wikipedia, Leopard gecko · silhouettes: PhyloPic (public domain; public domain)