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quackometer.bsky.social
@quackometer.bsky.social
They would see brown birds laying and incubating eggs. And not the blue birds, who would compete for females to select them to mate with them. All very observable stuff.

You really are stupid, aren't you?
November 12, 2025 at 3:58 PM
If I kept this peafowl on his own in a cage, he would not be able to play a reproductive role. Is he still male? Of course he is.

He is not assigned male. He is male. He just cannot reproduce. He remains male nonetheless.
November 12, 2025 at 3:47 PM
SO you are really asking how we **recognise** the sex of an individual organism?

That is species dependent. Highly dimorphic species can be recognised trivially.
November 12, 2025 at 3:09 PM
You can read the question. Do not do stupid deflections. That makes you again look dishonest. Can tot answer the question?

Do you accept two different phenotypes have evolved on gonochoric sexually reproducing species like ours?
October 16, 2025 at 1:31 PM
Do you deny evolution has produced two phenotypes in sexually reproducing species like ours?
October 16, 2025 at 1:15 PM
For the avoidance of doubt, and as I have told you many times, if you have developed the phenotype associated with a gamete type, then you have a sex of male or female depending on which phenotype. It has nothing to do with current production.
October 15, 2025 at 7:46 PM
All of them are social constructs. They are constructed by societies and do not exist outside of that societal context.

Once again, you have no idea what you are talking abotu and yet have such strong opinions.
October 8, 2025 at 12:08 PM
Show us the last four albums you listened to
October 5, 2025 at 11:29 AM
In many ways. For example, this bird has a distinct phenotype that displays the birds sexual fitness. He cannot fake being fit and healthy so the females are more likely to choose his sperm.
October 4, 2025 at 6:52 AM
At puberty, their penis typically does grow and they otherwise undergo a typical male puberty. There is nothing female about them. They can even father children.

The most famous example is Caster Semenya. Here he is with his lovely wife.
October 2, 2025 at 10:59 AM
As above, we will rarely make a mistake of recognising adult peacocks and peahens due the massive dimorphism and non-overlapping sex characteristics of their plumage. However, for griffon vultures the overlap of features is massive and we are left to guess the sex of individuals without care.
September 30, 2025 at 10:05 AM
But is very hard in Griffon Vultures due to very low dimorphism. This does nto mean there is an overlap of sexes in vultures or we need more than gametes to define what a sex is. Despite their similarities there are female vultures who lay eggs and male vultures producing sperm.
September 25, 2025 at 9:58 AM
What you are conflating is how it can be hard to **recognise** the sex of an individual sometimes becauss identifying traits overlap.

For example, identifying male and female in adult peafowl is trivial due to high dimorphism.
September 25, 2025 at 9:58 AM
Word

"Words are not violence. When you pretend that views that oppose your own are violence, you are justifying the use of actual violence towards the speaker."
September 17, 2025 at 10:09 AM
X and Y are chromosome types. There is no spectrum between them you ignorant clown.

Your 1% figure is also utter nonsense. You have no idea what you are talking about.
September 9, 2025 at 1:38 PM
Best revenge book.
September 8, 2025 at 8:09 PM
For example, the majority of people recognise the left face as male and the right face as female.

But ask them to explain how they know this and they will stumble.

Our brains are deeply wired to recognise the sex of a person.
September 2, 2025 at 3:14 PM
For example

1) We define each sex in relation to a gamete type (male/female - sperm/eggs)

2) We recognise the sexes of individuals through that species dimorphic characteristics.

No one pretends they do not know the sex of each individual here.
September 2, 2025 at 8:59 AM
I have just given two meanings. These concepts are different. One is a evolves sex configuration. The second is an old fashioned and disputed term for disorders of sex development.

We can see this in dictionaries they are treated as different concepts.
August 31, 2025 at 2:28 PM
August 29, 2025 at 5:04 PM
You dod not read further where the authors describe what their paper is about just a few paragraph on for the paragraph you misunderstand.

If I am wrong, what is the paper about? Can you explain?
August 29, 2025 at 4:13 PM
August 29, 2025 at 2:29 PM
And there is an actual glossary. This is what I adopt. The definition is a class definition on phenotype. Please use this in future reference if you want to say what I think a sex is.
August 29, 2025 at 1:11 PM
You have not been paying attention. Presence is not required. An association to a gamete type is.

For example, we say this seahorse is male because he mages the eggs. He need not be making eggs at any given time. He just needs a male body.
August 29, 2025 at 11:33 AM
Lots of research here. This one shows high 90% success rates when data quality is high. Interestingly, females are better at sex recognition than males. Perhaps this is because males can be dangerous.

www.researchgate.net/figure/Exper...
August 29, 2025 at 10:16 AM