| 100% | FINCH | 5 | Bird whose beak inspired Darwin's theory of evolution |
| 59% | GALAPAGOS | 9 | Islands that inspired Darwin's theory of evolution |
| 56% | FINCH | 5 | Bird whose beak helped shape Darwin's evolutionary theories |
| 38% | EVOLUTION | 9 | Darwin's theory of ancestry through all species |
| 36% | DARWIN | 6 | Theory of Evolution |
| 35% | SELECTION | 9 | Natural __, Darwin's theory of successful traits |
| 35% | GALAPAGOS | 9 | __ Islands; Darwin's evolution theory |
| 34% | SURVIVAL | 8 | Theory of evolution; __ of the fittest |
| 32% | DARWIN | 6 | Charles who developed the theory of evolution |
| 32% | EVOLUTION | 9 | Theory in Darwin's On the Origin of Species |
| 32% | DARWIN | 6 | Brit naturalist known for his theory of evolution |
| 31% | KIWI | 4 | Only bird whose beak has nostrils at the end |
| 31% | TOUCAN | 6 | Tropical bird with one of world's longest beaks |
| 31% | CHARLESDARWIN | 13 | British scientist known for his theory of evolution: 2 wds. |
| 31% | CHARLESDARWIN | 13 | Pioneering biologist known for his theory of evolution: 2 wds. |
| 30% | BILL | 4 | Beak of a bird |
| 30% | CERE | 4 | Waxy covering of a bird's beak |
| 29% | APPLE | 5 | Fruit that inspired Newton’s theory of gravity |
| 29% | PEWEE | 5 | Bird whose name is suggestive of both its size and sound |
| 29% | EVOLUTION | 9 | Darwin's theory |
| 29% | PIET | 4 | Mondrian whose paintings inspired the design of the Partridge Family’s bus |
| 29% | YEATS | 5 | Poet whose work inspired the title of Achebe's Things Fall Apart |
| 28% | ALBATROSS | 9 | Bird whose death causes a curse in "The Rime of the Ancient Mariner" |
| 28% | KIWI | 4 | Bird with nostrils at the tip of its beak |
| 28% | SNAILKITE | 9 | Bird of prey whose diet consists mainly of gastropods |
| 27% | FINCH | 5 | Bird whose name becomes a unit of length if you remove its first letter |
| 27% | KIWI | 4 | Quirky little bird whose egg weighs one fifth of its total weight |
| 27% | DOVE | 4 | Brand of soap whose name is a bird |
| 27% | GALAPAGOS | 9 | Darwin's evolution islands |
| 27% | ORIGIN | 6 | Darwin's "___ of Species" |