Related Clues:

• Listened to (sound)
• Tried to sound like a lot of animals
• Tried, with difficulty, to conserve energy
• Perceived (a sound)
• Tried diligently, putting in extra energy
• Tried diligently to absorb English
• Caught a number of animals, say
• Cousin to Kingsley's Salvation taken in by audience
• Caught try by forward in the end
• Was told of
• Animal's first in group to be caught
• Got to know the central auditor was dead
• Having learned, drove on the farm, we're told
• Learned to pen a bunch of cattle
• Listened to end of lecture - difficult to grasp it