| Answer | Crossword Clue |
|---|---|
| bird | egg-laying vertebrate with feathers and wings |
| birds | egg-laying vertebrate with feathers and wings |
| platypus | A semiaquatic egg-laying mammal that frequents lakes and streams in eastern Australia. It has a sensitive pliable bill shaped like that of a duck, webbed feet with venomous spurs, and dense fur |
| platypuses | A semiaquatic egg-laying mammal that frequents lakes and streams in eastern Australia. It has a sensitive pliable bill shaped like that of a duck, webbed feet with venomous spurs, and dense fur |
