Sex of humans and other mammals is determined before birth. The animals will be male or female, usually depending on the sex chromosome. On the other hand, many animals including marine animals do not have sex chromosomes. So their sex or gender is not determined by birth. Based on the influence of the brain and the surrounding environment, some organisms gender are determined. Many specie animals such as, there are many species of fish and they can be transformed into a male after being born as a female. There are also some species of animals that are born as men but once they are converted into a female. Today i will tell you some of these surprising creatures which are present in nature.

Clown fish

They roam around the coral reefs of Australia and Southwest Asia. They have been seen in large numbers in the southern part of Asia, Japan. With beautiful orange color it has three white striped line in fish and length is about 4.1 inches.

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These are called bisexual fish. All of them were born as men during birth. At one stage of life, the fish has the special ability to transform into female. But once it is transformed from male to female, they can not return into male. The two male members together in the time of reconciliation, which is bigger in size, she transformed into female. If any female fish dies in their group then another male fish becomes female fishes and fills the gap.

Hawk fish

Another species of fish living next to the coral is Hawk Fish. Even though they are born as wives, they are transformed into a man in an old age. Although there has been a transition between many species of marine fish, there is little exception to Hawk Fish. They can return to the previous gender as per their needs and environment. If it is converted into a male after being born in a woman's womb, then it can be converted into female fish as per the requirement.

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Moray Eel

Most of the Moray Eels are born individually, men and women are born differently. Those are the rest of the lives in the same way. However, some eel species contain the characteristics of bisexual. Like zebra and dragon moray eel. If there is a decrease in the number of male members in any stage of life, they are converted into men.

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Snow Flake Eel was born as a wife during birth. But in an old age the woman is transformed into a man. On the other hand, Ribbon Moray Eel was born as a man during birth, but after several changes, the eel turned into wife eel. There are yellow feathers on the back surface of the small male Ribbon Moray Eel. When they are able to fertilize the elderly and the eggs, their faces gradually become blue and yellow. When a little older, the increase in female genitalia increases. Then the rest of life is spent in the same way as the eels wife.

Two sexually transmitted hen

Due to certain types of genetic defects, some animals and insects have the same characteristics as male and female. In this case, the male gendered part contains the male sex characteristics, and the female gendered part contains the female sex characteristics. In this way, both male and female characteristics are active in the same organism. This condition tells Gynandromorphism.

[Image source](© Michael Clinton)

If such a situation happens, they may leap into the other female chicken for sexual intercourse, and also have small size eggs. For such type of bilateral properties, the structure of the skeleton is twofold on both sides. Their internal parts are different. Apart from the autopsy, both the testicles and ovaries are found inside.

Northern Cardinal Bird

Characteristics like two sexually transmitted diseases are sometimes seen in cardinal birds. Half a part of this bird is covered with brown-gray feathers like a female bird and the other half is covered by bright reddish feathers like a male bird.

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In these cases, left hand side is female bird and the right hand side is male bird are usually found. University of Western Illinois Professor Brian Pear and his colleague Robert Stage observed extensive observations about the ginandromorphism in the wild environment. Their observations lasted from 2008 to 2010. At this time, they were able to monitor over 40 northern cardinal birds. The bi-lateral men and women watch the reaction of the cardinal bird to the normal bird's eagerness and reconciliation. It is seen that such bilateral men and women have never shout and did not express any interest in reconciliation. But normal birds never attacked these birds.

Frog

In the laboratory, frog gender changing can occur spontaneously. But now in the wild environment, there is also notice of the conversion of male frogs to female frogs. Male frogs transformed into female frogs by the use of pesticide atrogen for the harvesting of weeds. After this conversion, female frogs can successfully produce children like normal frogs.

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At present, the use of atrazine in European countries has been banned. Atrazine falls into the river from the crop field. Then the frog reduces the production of testosterone (male sex hormone). On the other hand, it increases the production of estrogen (female sex hormone). As a result, only one female frog is being produced in aquatic environment. The breeding process is being interrupted only by increasing the number of female frogs. This means that the number of frogs has decreased continuously with the influence of Atrazine.

Bearded dragon

Researchers at the University of Canberra, Australia, find that the bearded dragon lizard may change their penis while they are in the egg. Researchers have also seen that those who are curiously changed from male to female, they are well-offspring.

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Studies show that most of the female dragon is born when the temperature is high when the eggs are extracted. The effects of temperature are determined by other organisms. For example, crocodiles, leopard geko, marine green turtles etc. So there is a possibility of a reduction in global climate change and global warming.

I think today it is a very long description.... So not more today. I think many of us already know about this. If you know more than me, then please comment your answere. It will be helpful for me to know more.

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