Martín Pescador Enano vs Martín Pescador Verde

The American Pygmy Kingfisher is notably smaller than the Green Kingfisher, and this size difference is the most reliable field mark. Both species have green upperparts, but the American Pygmy Kingfisher is more compact with a shorter tail and bill.

Size: The American Pygmy Kingfisher is smaller and more compact. Bill and Tail: It has a shorter bill and tail compared to the Green Kingfisher.

The American Pygmy Kingfisher is significantly smaller than the Green Kingfisher.

Both species have green upperparts, but the American Pygmy Kingfisher is more compact in appearance.

The American Pygmy Kingfisher's vocalization consists of quiet ticking notes and a more song-like series of high, rapid notes.