| Answer | Crossword Clue |
|---|---|
| stud | (of a male animal) offered for the purpose of breeding |
| studs | male animal kept for breeding |
| stud | male animal kept for breeding |
| nightingales | A small European thrush with drab brownish plumage, noted for the rich melodious song of the male, heard esp. at night in breeding season |
| nightingale | A small European thrush with drab brownish plumage, noted for the rich melodious song of the male, heard esp. at night in breeding season |
| spermatozoon | The mature motile male sex cell of an animal, by which the ovum is fertilized, typically having a compact head and one or more long flagella for swimming |
| spermatozoa | The mature motile male sex cell of an animal, by which the ovum is fertilized, typically having a compact head and one or more long flagella for swimming |
