mariquita-de-rabo-vermelho vs mariquita-do-cabo-may

The American Redstart and Cape May Warbler can be distinguished by their plumage and behavior. The American Redstart has distinctive 'flash patterns' with bright yellow patches on its wings and tail, while the Cape May Warbler features a yellow breast streaked with black and chestnut ear-patches. Behaviorally, the American Redstart is known for its active foraging style, often fanning its tail.

Look for the American Redstart's bright yellow 'flash patterns' on the wings and tail, especially when the bird is in motion. For the Cape May Warbler, note the yellow breast with black streaks and chestnut ear-patches. Pay attention to the active tail-fanning behavior of the American Redstart as a behavioral cue.

The American Redstart features bright yellow patches on its wings and tail, especially noticeable when fanned. In contrast, the Cape May Warbler has a yellow breast with black streaks and chestnut ear-patches. Females and immatures of both species are less boldly colored, but the Cape May Warbler's streaked breast remains a key differentiator.

The American Redstart is known for its active foraging behavior, often fanning its tail to flush insects. This behavior is less typical of the Cape May Warbler, which is more associated with feeding on spruce budworms.