Badgers rarely eat any more.
The initial letters of the words spell BREAM, a fish. The other sentences all spell birds.
SWAN - Sam wanted another newt.
EAGLE - Every artistic giraffe likes elephants.
* BREAM - Badgers rapidly excavate a mound.
WREN - Wild rabbits enjoy nature.
DUCK - Dale understood cute kittens.
CRANE - Casual restless aardvarks need exercise.