Letters · June 3, 2026 Featured issue

This bird changes color without molting.

The hummingbird tanager hides one of the most curious mechanisms in Brazilian ornithology.

Featured

Recent letters

Reflections that arrive by email, one each season. Go back, re-read, or start with the first.

In nature photography, the fear of noise causes many photos to cease to exist.

The smallest hummingbird in Brazil, found only here (and you probably never noticed).

Every year, 20,000 kites fill the sky — and almost no one knows.

the red that endures in the Atlantic Forest

Before clicking, comes observation.

She is the largest parrot in the world. And she almost disappeared forever.