| UNGULATE | Group of mammals having hooves |
| EDENTATA | Order of mammals having few or no teeth including. |
| HERD | A large group of mammals, especially a group of cattle or sheep (4) |
| BATS | The only group of mammals capable of flight |
| PRIMATES | Members of the group of mammals that includes humans, monkeys and apes (8) |
| LEMUR | One of a group of mammals akin to the monkeys (5) |
| THERIA | Article broadcast about group of mammals |
| LITTER | Rubbish, or a group of mammals from a single birth (6) |
| LEMURS | Groups of mammals native to Madagascar, akin to the monkeys (6) |
| ECTOTHERMIC | Of all animals other than birds and mammals, having a body temperature regulated by external sources (11) |
| RODENT | Mammals having a single pair of constantly growing incisor teeth |
| CAVICORN | Of quadruped mammals, having hollow horns, such as sheep, goats, antelopes etc. (8) |
| OTTER | Aquatic fish-eating mammals having strong claws and webbed feet |
| LEPORID | Relating to lagomorph mammals having long ears and limbs and a short tail, such as rabbits and hares (7) |
| NARWHAL | Marine mammal having dashed backwards to get first of whiting, a fraction short |
| HEDGEHOG | Small nocturnal mammal having a protective covering of spines (8) |
| BAT | Mammal having short dip? (3) |
| PORPOISE | Marine mammal having power, initially, or composure |
| MOLE | Small burrowing mammal having velvety dark fur (4) |
| SKUNK | American musteline mammal having a black and white coat and bushy tail (5) |
