Size It Up #16 (November 11, 2026): answers and real sizes

Round 1: American bullfrog next to yellowjacket wasp

American bullfrog (Lithobates catesbeianus): 12 cm · 4.7 in, adult, snout to vent (silhouette: genus). The reference, yellowjacket wasp, is 1.4 cm · 0.55 in long, so the american bullfrog is 8.6× bigger. A guess between 11 cm and 13 cm scores 100; 6 cm or 24 cm scores 59. The hint window for this round was 6 cm to 40 cm.

Source: Wikipedia, American bullfrog · reference: Wikipedia, Yellowjacket wasp · silhouettes: PhyloPic (public domain; public domain)

Round 2: Brine shrimp next to red-eyed tree frog

Brine shrimp (Artemia salina): 1 cm · 0.39 in, adult, body length. The reference, red-eyed tree frog, is 6 cm · 2.4 in long, so the brine shrimp is 6× smaller. A guess between 9.5 mm and 1.1 cm scores 100; 5 mm or 2 cm scores 59. The hint window for this round was 4 mm to 2 cm.

Source: Wikipedia, Brine shrimp · reference: Wikipedia, Red-eyed tree frog · silhouettes: PhyloPic (public domain; public domain)

Round 3: King cobra next to european hedgehog

King cobra (Ophiophagus hannah): 3.5 m · 11 ft, adult, total length. The reference, european hedgehog, is 25 cm · 9.8 in long, so the king cobra is 14× bigger. 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 1 m to 5 m.

Source: Wikipedia, King cobra · reference: Wikipedia, European hedgehog · silhouettes: PhyloPic (V. Deepak, CC BY; public domain)

Round 4: Common ostrich next to philippine tarsier

Common ostrich (Struthio camelus): 2.1 m · 6 ft 11 in, adult male, standing. The reference, philippine tarsier, is 12 cm · 4.7 in long, so the common ostrich is 18× bigger. A guess between 2 m and 2.2 m scores 100; 1.1 m or 4.2 m scores 59. The hint window for this round was 60 cm to 3 m.

Source: Wikipedia, Common ostrich · reference: Wikipedia, Philippine tarsier · silhouettes: PhyloPic (public domain; public domain)

Round 5: Sheep next to jumping spider

Sheep (Ovis aries): 80 cm · 2 ft 7 in, adult, shoulder height. The reference, jumping spider, is 1.2 cm · 0.47 in long, so the sheep is 67× bigger. A guess between 76 cm and 84 cm scores 100; 40 cm or 1.6 m scores 59. The hint window for this round was 50 cm to 3 m.

Source: Wikipedia, Sheep · reference: Wikipedia, Jumping spider · silhouettes: PhyloPic (public domain; public domain)