Answer:

speckles

Answer	Crossword Clue
SPECKLES	Spots on some birds
SPECKLES	Features of some bird eggs
SPECKLES	Features of some trout

SPECKLES	Pointillism features
SPECKLES	Trout features
SPECKLES	Trout features, often

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.