| PILOTWHALES | Black, toothed marine mammals second only in size to the killer whale (5,6) |
| FINWHALE | Also called a razorback whale or common rorqual, this slender baleen whale is second in size to the blue whale. (3,5) |
| PILOT | --- whale, black, toothed whale occurring in all seas except Polar seas (5) |
| PORPOISES | Small, toothed, marine mammals (9) |
| NARWHAL | At sea warn prince, finding toothed marine mammal |
| SPERM | ____ whale, toothed marine predator named after the waxy substance found in its head (5) |
| OSPREY | Fish-eating hawk of similar size to the buzzard or red kite, Pandion haliaetus (6) |
| REDSTART | Bird in the chat family of similar size to the one described in 91 Across (8) |
| SPROCKET | Vital component in moving the drive chain, can be changed in size to affect the gearing (8) |
| URBANLEGEND | Description of reports about Spring-heeled Jack (19th century) or the "killer in the back seat" (20th century) |
| ORCA | Mammal at the top of its food chain that acquired its old name as the killer whale from sailors but is the largest of the dolphins (4) |
| BEELZEBUB | In Paradise Lost, Milton places this 'Lord of the Flies' as second only to Satan in the unholy hiera |
| COYPU | A large aquatic rodent native to South America that is similar in size to a beaver (5) |
| AALER | 'Home of the Killer Whale' village in British Columbia, ___ Bay |
| ALERT | ___ Bay (British Columbia village known as 'The Home of the Killer Whale') |
| TREBLINKA | Nazi death camp, second only to Auschwitz in terms of the number of Jewish deaths (9) |
| TULSA | Oklahoma city second in size to Oklahoma City |
| PITTSBURGH | Pennsylvanian city, second in size to Philadelphia (10) |
| NEPTUNE | Planet with a storm or "Great Dark Spot" which is comparable in size to Earth and experiences wind speeds of up to 1,500 mph (7) |
| SOSMALL | Lacking in size to such an extent (2,5) |