Are the adults? or sub-adult?
The males should be easy to spot if they are adults... more finnage, etc.
If they are subadults then it is much harder to tell the gender. Why do you need to know the gender?
The males should be easy to spot if they are adults... more finnage, etc.
If they are subadults then it is much harder to tell the gender. Why do you need to know the gender?