| Category | Answer | % Correct |
|---|---|---|
| Mammals that lay eggs | echidna | platypus | 96%
|
| Fish that can cause electric shocks | electric catfish | electric eel | electric ray | stargazers | 85%
|
| Animals that have passed the mirror test (an intelligence test) | Asian elephant | bluestreak cleaner wrasse | bonobo | Bornean orangutan | bottlenose dolphin | chimpanzee | Eurasian magpie | false killer whale | killer whale | pigeon | 83%
|
| Mammals that produce venom | European mole | platypus | shrew | slow loris | solenodon | vampire bat | 74%
|
| Sharks that are filter feeders | basking shark | megamouth shark | whale shark | 73%
|
| Birds that can fly at or over 200 mph (321.869 km/h) | golden eagle | peregrine falcon | 68%
|
| Mammals that can dive to at least 2,250 metres | Cuvier's beaked whale | southern elephant seal | sperm whale | 67%
|
| Deer species that rut | elk | fallow deer | moose | 52%
|
| Fish that breathe air using lung-like organs | bichir | lungfish | 48%
|
| Amphibians that can weigh up to or over 1.4 kg | African bullfrog | cane toad | Chinese giant salamander | goliath frog | hellbender | Japanese giant salamander | South China giant salamander | 47%
|
| Insects with a sting classed as Pain Level 4 on the Schmidt sting pain index (i.e. incredibly painful) | bullet ant | tarantula hawk | warrior wasp | 44%
|
| Lizards that can expel salt (using salt glands) | mangrove monitor | marine iguana | rusty monitor | 44%
|
| Birds that can fly as high as 4,800 metres or higher | Alpine chough | Andean condor | bar-headed goose | bar-tailed godwit | bearded vulture | common crane | mallard | Rüppell's vulture | white stork | whooper swan | 26%
|
| Animals that photosynthesise or contain organisms that photosynthesise | blue dragon | coral | eastern emerald elysia | rhabdocoels | sap-sucking slug | sea anemone | sponge | 25%
|
| Reptiles that use their tongues as lures | alligator snapping turtle | aquatic garter snake | common watersnake | diamondback water snake | puff adder | salt marsh snake | 23%
|