A rare specimen of a bird that is half male and half female was seen in Colombia


It has typical male plumage on the right side (blue) and female plumage on the left (green).

Photo provided by John Murillo to AFP.

A group of researchers in Colombia saw A A rare specimen of the wild green honeycreeper (Chlorophanes spiza) is a half-male, half-female bird presenting the typical plumage of both sexes, the second sighting of such a bird but the first in a hundred years, according to the research.

Professor Hamish Spencer from the University of Otago (New Zealand) and Colombian amateur ornithologist John Murillo published their research in the Journal of Field Ornithology, where they determined that they were able to confirm Discovery thanks to colorful images A short video was recorded in Vilamara, in the Caldas province, in the center of the country.

It's a “bilateral gynandromorph”: the bird had it The typical male's plumage is on the right side The female is on the left, meaning she was half green – female-specific plumage – and half blue – typical male plumage.

“The peak seems to be consistent with Male coloring“Although the lower left part of the jaw was probably pale yellow,” the experts explain.

This bird is native to Mexico, Central and South America, and its length is about 14 cm and weighs about 17 grams. It is also characterized by sexual dimorphism.

“It has been around for at least 21 months – between October 2021 and June 2023 – and its behavior largely coincides with that of other wild species of C. spiza,” Although he would often wait for them to leave to feed them The researchers added that the fruit is grown by the farm owners daily.

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Furthermore, they concluded that “female plumage is possible on both sides, a conclusion that supports the double fertilization model of bilateral gynandromorphy.”

Aileen Morales

"Beer nerd. Food fanatic. Alcohol scholar. Tv practitioner. Writer. Troublemaker. Falls down a lot."

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