Size It Up #5 (October 31, 2026): answers and real sizes

Round 1: Mosquito next to mealworm beetle

Mosquito (Culex pipiens): 5 mm · 0.2 in, adult, body length (silhouette: genus). The reference, mealworm beetle, is 1.5 cm · 0.59 in long, so the mosquito is 3× smaller. A guess between 4.8 mm and 5.3 mm scores 100; 2.5 mm or 1 cm scores 59. The hint window for this round was 3 mm to 1.5 cm.

Source: Wikipedia, Mosquito · reference: Wikipedia, Mealworm beetle · silhouettes: PhyloPic (public domain; public domain)

Round 2: Veiled chameleon next to walrus

Veiled chameleon (Chamaeleo calyptratus): 45 cm · 1 ft 6 in, adult male, total length incl. tail. The reference, walrus, is 3.2 m · 10 ft long, so the veiled chameleon is 7.1× smaller. A guess between 43 cm and 47 cm scores 100; 23 cm or 90 cm scores 59. The hint window for this round was 30 cm to 1.5 m.

Source: Wikipedia, Veiled chameleon · reference: Wikipedia, Walrus · silhouettes: PhyloPic (public domain; public domain)

Round 3: Southern elephant seal next to blue whale

Southern elephant seal (Mirounga leonina): 5 m · 16 ft, adult male, nose to tail. The reference, blue whale, is 25 m · 82 ft long, so the southern elephant seal is 5× smaller. A guess between 4.8 m and 5.3 m scores 100; 2.5 m or 10 m scores 59. The hint window for this round was 1.5 m to 8 m.

Source: Wikipedia, Southern elephant seal · reference: Wikipedia, Blue whale · silhouettes: PhyloPic (public domain; public domain)

Round 4: Budgerigar next to brine shrimp

Budgerigar (Melopsittacus undulatus): 18 cm · 7.1 in, adult, bill to tail. The reference, brine shrimp, is 1 cm · 0.39 in long, so the budgerigar is 18× bigger. A guess between 17 cm and 19 cm scores 100; 9 cm or 36 cm scores 59. The hint window for this round was 6 cm to 30 cm.

Source: Wikipedia, Budgerigar · reference: Wikipedia, Brine shrimp · silhouettes: PhyloPic (public domain; public domain)

Round 5: Giant anteater next to sugar glider

Giant anteater (Myrmecophaga tridactyla): 2 m · 6 ft 7 in, adult, head to tail tip. The reference, sugar glider, is 18 cm · 7.1 in long, so the giant anteater is 11× bigger. A guess between 1.9 m and 2.1 m scores 100; 1 m or 4 m scores 59. The hint window for this round was 80 cm to 4 m.

Source: Wikipedia, Giant anteater · reference: Wikipedia, Sugar glider · silhouettes: PhyloPic (public domain; public domain)