Fourwords (Puzzle #40)

Difficulty: * *    (explanation of difficulty)

Fourwords is like a 4×4 crossword puzzle. Fill in the grid with sixteen letters such that the eight four-letter words created agree with the eight clues.

Some nocturnal birds
Sounds cows make
Take off the top  v v v v
Japanese style of wrestling  >
Acquire skill in  >
TV show American ____  >
Type of small, primitive plant  >

Previous puzzle: Puzzle #39.
Next puzzle: Puzzle #41.