Researchers said it was “impossible to tell” what the half-male, half-female bird’s internal anatomy was but, based on other examples, they expected its organs to match its external coloring.

In a forest of Colombia, a multi-colored bird waited its turn to approach the bird feeder. When it finally came close, the onlooking scientists were stunned. On its left side, the green ...

Researchers said it was “impossible to tell” what the half-male, half-female bird’s internal anatomy was but, based on other examples, they expected its organs to match its external coloring.

In a forest of Colombia, a multi-colored bird waited its turn to approach the bird feeder. When it finally came close, the onlooking scientists were stunned. On its left side, the green ...

Researchers said it was “impossible to tell” what the half-male, half-female bird’s internal anatomy was but, based on other examples, they expected its organs to match its external coloring.