| Blue whaleLength, Selected example | 25 m82 ft | NOAA Fisheries |
| Sperm whaleLength, adult male | 16 m52.5 ft | University of Michigan · Animal Diversity Web |
| Giant squidLength, including tentacles | 12 m39.4 ft | Natural History Museum, London |
| Whale sharkLength, typical adult | 10 m32.8 ft | University of Michigan · Animal Diversity Web |
| OrcaLength, adult male | 7 m23 ft | University of Michigan · Animal Diversity Web |
| African elephantShoulder height, adult male | 3.2 m10.5 ft | University of Michigan · Animal Diversity Web |
| GiraffeHeight, Selected example | 5 m16.4 ft | Giraffe Conservation Foundation · p. 3 |
| Great white sharkLength, typical adult | 4.5 m14.8 ft | University of Michigan · Animal Diversity Web |
| Saltwater crocodileLength, adult male | 4.5 m14.8 ft | University of Michigan · Animal Diversity Web |
| White rhinocerosLength, head and body | 3.8 m12.5 ft | University of Michigan · Animal Diversity Web |
| HippopotamusLength, typical adult | 3.5 m11.5 ft | University of Michigan · Animal Diversity Web |
| Bottlenose dolphinLength, typical adult | 3 m9.8 ft | University of Michigan · Animal Diversity Web |
| HorseShoulder height | 1.6 m5.2 ft | University of Michigan · Animal Diversity Web |
| LionLength, head and body | 1.95 m6.4 ft | University of Michigan · Animal Diversity Web |
| Bengal tigerLength, head and body | 1.9 m6.2 ft | San Diego Zoo Wildlife Alliance |
| Polar bearLength, adult male | 2.5 m8.2 ft | University of Michigan · Animal Diversity Web |
| OstrichHeight, adult male | 2.4 m7.9 ft | San Diego Zoo Wildlife Alliance |
| Grey wolfLength, head and body | 1.3 m4.3 ft | US National Park Service · Yellowstone wolf field protocol |
| Adult humanHeight, Selected example | 1.7 m5.6 ft | Reference model |
| Emperor penguinHeight, typical adult | 1.1 m3.6 ft | University of Michigan · Animal Diversity Web |
| Siberian HuskyShoulder height, adult male | 57 cm22.4 in | American Kennel Club |
| House catLength, head and body | 46 cm18.1 in | University of Michigan · Animal Diversity Web |
| ChickenHeight | 40 cm15.7 in | Malkia Park |
| House mouseLength, head and body | 8.5 cm3.35 in | University of Michigan · Animal Diversity Web |
| Monarch butterflyWingspan | 10 cm3.94 in | University of Michigan · Animal Diversity Web |
| Honey beeLength, head and body | 1.3 cm0.51 in | University of Michigan · Animal Diversity Web |
| Seven-spot ladybirdLength | 7 mm0.28 in | University of Michigan · Animal Diversity Web |