Archive · Size It Up #1

Size It Up #1 (October 27, 2026): answers and real sizes

The five from Tuesday, October 27, 2026: Emu, Giant centipede, Sperm whale, Silverfish and Galápagos tortoise. Play it first; the real sizes are folded below. Replays don't affect your streak.

—

Loading the animals…

Today's five →

Size It Up #1 pairs Emu with humpback whale, Giant centipede with snowy owl, Sperm whale with leatherback sea turtle, Silverfish with three-toed sloth and Galápagos tortoise with barn owl. In 2 of the five rounds the animal you resize is the bigger one. The gaps run from 3.4× to 37×, and the sizes from 1.5 cm to 16 m. Within 5% of each real size scores 100.

Size It Up #1 in numbers

Rounds5
AnimalsHumpback whale, Emu; Snowy owl, Giant centipede; Leatherback sea turtle, Sperm whale; Three-toed sloth, Silverfish; Barn owl, Galápagos tortoise
Smallest animalSilverfish, 1.5 cm · 0.59 in
Largest animalSperm whale, 16 m · 52 ft
Widest gap in a round37×
Narrowest gap3.4×
Rounds where yours is the bigger animal2 of 5

Size It Up #1: the five answers

Show the real sizes

Round 1: Emu next to humpback whale

Emu (Dromaius novaehollandiae): 1.7 m · 5 ft 7 in, adult, standing. The reference, humpback whale, is 14 m · 46 ft long, so the emu is 8.2× smaller. A guess between 1.6 m and 1.8 m scores 100; 85 cm or 3.4 m scores 59. The hint window for this round was 60 cm to 3 m.

Source: Wikipedia, Emu · reference: Wikipedia, Humpback whale · silhouettes: PhyloPic (public domain; public domain)

Round 2: Giant centipede next to snowy owl

Giant centipede (Scolopendra gigantea): 28 cm · 11 in, adult, body length. The reference, snowy owl, is 1.5 m · 4 ft 11 in across, so the giant centipede is 5.4× smaller. A guess between 27 cm and 29 cm scores 100; 14 cm or 56 cm scores 59. The hint window for this round was 10 cm to 60 cm.

Source: Wikipedia, Giant centipede · reference: Wikipedia, Snowy owl · silhouettes: PhyloPic (public domain; public domain)

Round 3: Sperm whale next to leatherback sea turtle

Sperm whale (Physeter macrocephalus): 16 m · 52 ft, adult male, total length. The reference, leatherback sea turtle, is 1.8 m · 5 ft 11 in long, so the sperm whale is 8.9× bigger. A guess between 15.2 m and 16.8 m scores 100; 8 m or 32 m scores 59. The hint window for this round was 4 m to 20 m.

Source: Wikipedia, Sperm whale · reference: Wikipedia, Leatherback sea turtle · silhouettes: PhyloPic (public domain; public domain)

Round 4: Silverfish next to three-toed sloth

Silverfish (Lepisma saccharina): 1.5 cm · 0.59 in, adult, body length. The reference, three-toed sloth, is 55 cm · 1 ft 10 in long, so the silverfish is 37× smaller. A guess between 1.4 cm and 1.6 cm scores 100; 7.5 mm or 3 cm scores 59. The hint window for this round was 4 mm to 2 cm.

Source: Wikipedia, Silverfish · reference: Wikipedia, Three-toed sloth · silhouettes: PhyloPic (Gareth Monger, CC BY; public domain)

Round 5: Galápagos tortoise next to barn owl

Galápagos tortoise (Chelonoidis niger): 1.2 m · 3 ft 11 in, adult male, shell length (silhouette: genus). The reference, barn owl, is 35 cm · 1 ft 2 in long, so the galápagos tortoise is 3.4× 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 40 cm to 2 m.

Source: Wikipedia, Galápagos tortoise · reference: Wikipedia, Barn owl · silhouettes: PhyloPic (public domain; public domain)