| Answer | Crossword Clue |
|---|---|
| bluestones | Any of various bluish or gray building stones |
| squillas | any of various stomatopod crustaceans (especially genus Squilla) that burrow in mud or beneath stones in shallow water along the seashore |
| lithops | any of various succulent plants of the genus Lithops, native to Africa, having solitary yellow or white flowers and thick leaves that resemble stones |
| pewee | any of various small largely gray or olive-colored American flycatchers (genus Contopus) |
| morpho | any of various large, tropical American butterflies of the genus Morpho, having brilliant blue, iridescent wings with an underside of brown or gray and eyelike spots |
