| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Osprey populations rebounded after this 3-letter insecticide was banned; it weakened their eggs' shells | DDT | $1,200 | DJ | BIRD | 2025-11-26 | #9443 | |
| Since 1972, almost all U.S. uses of this insecticide have been banned to protect endangered birds | DDT | $400 | J | BIRDS | 1986-11-03 | #496 |