| Classification | Rank | Common name(s) | % Correct |
|---|---|---|---|
| Arachnida | class | spiders | scorpions | ticks | mites | horseshoe crabs | 97%
|
| Canidae | family | dogs | wolves | foxes | 95%
|
| Felidae | family | cats | 90%
|
| Bovidae | family | cattle | sheep | goats | bison | antelopes | 89%
|
| Serpentes | suborder | snakes | 89%
|
| Equidae | family | horse | donkeys | zebras | 87%
|
| Hominidae | family | humans | chimpanzees | bonobos | orangutans | gorillas | 85%
|
| Aves | class | birds | 83%
|
| Ursidae | family | bears | 79%
|
| Cygnus | genus | swans | 49%
|
| Cephalopoda | class | octopuses | squid | cuttlefish | nautiluses | 45%
|
| Corvidae | family | crows | ravens | rooks | jackdaws | blue jays | 42%
|
| Cetacea | infraorder | dolphins | porpoises | whales | 36%
|
| Formicidae | family | ants | 31%
|
| Lepidoptera | order | butterflies | moths | 30%
|
| Cervidae | family | deer | 29%
|
| Ovis | genus | sheep | 29%
|
| Proboscidea | order | elephants | mammoths | mastodons | 25%
|
| Decapoda | order | crayfish | crabs | lobsters | prawns | shrimp | 21%
|
| Sirenia | order | manatees | dugongs | 18%
|
| Leporidae | family | rabbits | hares | 18%
|
| Muridae | family | mice | rats | gerbils | 16%
|