The sport that features the terms "birdie" and "eagle" is golf. In golf, a "birdie" is scored when a player completes a hole one stroke under par, while an "eagle" occurs when the player finishes two strokes under par. These terms are used to describe exceptional performance and skill on the course, and achieving them is a goal for many golfers. Players often strive for birdies and eagles as they contribute to lower overall scores and can be pivotal in competitive play.