Scientists An extremely rare one the birds has made a video of a male with one half of its body and a female on the other, further illustrating androgyny in animals.
Researchers say that this rare green honeycreeper bird Colombia Seen at a farm in a nature reserve near the town of Manizales.
It had aqua-colored wings on one half and yellow-green wings on the other, with a clear line in the middle.
Scientists say that usually the males of this species have bright blue wings and black heads, while the females are completely grass-green in color.
The bird’s unusual coloration is thought to be due to bilateral gendromorphism – a rare division of cells that creates an egg that can be fertilized by two different sperm.
Scientists say that the external structure of this bird is male on the right side and female on the left side and its internal organs may also be divided into male and female.
However, scientists could not confirm this just by looking.
The researchers said, ‘It is impossible to tell whether the internal organs of this bird were also bilaterally gynandromorphic or not.’
They studied the rare bird for 21 months as it returned for fresh fruit and fresh water left daily by Colombian farm owners.
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This is the second report of a bird with bilateral gynandromorphism, having been reported over a century ago, and the first time it has been recorded on camera.
Researchers could not study this rare bird every day.
“It would last for about four to six weeks and then disappear for another eight weeks,” he said.
Scientists at Whitehawk Birding and Conservation in Panama say the bird also seems to wait for other birds to leave before arriving.
‘In general, it avoids other birds of its species, and other birds avoid it,’ the researchers wrote in the Journal of Field Ornithology. It therefore seems improbable that he would have had any chance of breeding.’
Such cases of bilateral gendromorphism in animals are extremely rare, having previously been observed in animals such as chickens, songbirds, spiders and crabs.
“Our observations span an unusually long period of time (21 months) and are the first of this type of gendromorph living in the wild,” the scientists wrote.
He said this Colombian bird differs from the only documented case in a potentially important way. He said, ‘Furthermore, the bird we observed appears to be a female on the left and a male on the right, unlike the previous case 100 years ago.’
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2024-09-04 00:16:17
