What is the most distinctive field mark used to identify the Eastern Kingbird?

Answer

The bright white terminal band on the tail

The bird is easily recognized, especially when fanning its tail, by the distinct bright white band at the very tip of its dark tail feathers.

What is the most distinctive field mark used to identify the Eastern Kingbird?

#Videos

How Can I Attract Eastern Kingbirds? - Bird Watching Diaries

birdattractionkingbird