Birdie and Eagle Explained

A birdie is completing a hole in one fewer stroke than its par — a 3 on a par-4, for example. An eagle is two strokes under par — a 3 on a par-5, or a rare 2 on a par-4. Both terms come from the same early-20th-century American slang tradition as "bogey," using bird-themed names to describe scores relative to the expected standard, with "eagle" chosen specifically as a bigger, more impressive bird to represent the bigger accomplishment.

For most recreational golfers, birdies are a genuine highlight of a round rather than a routine occurrence — even accomplished amateur golfers with single-digit handicaps typically make only a handful of birdies across an entire round, and eagles are rare enough that many golfers remember specific ones from years ago. This is worth understanding early, since new golfers sometimes assume these scores should be common goals for every hole rather than the notable exceptions they actually are, even for skilled players.

An even rarer score, two under on a par-3 (a hole-in-one) or three under on a par-5 (a double eagle, sometimes called an albatross), represents an exceptional accomplishment that even professional golfers experience only a handful of times across an entire career.