Here is a classic example of an ejaculation. Just before the climax the peristaltic movements are getting faster. Then they stop and the male gets his contractions. In this way the bright red interior of the lovely blackie is filled with the result.
In thes examples we can see the change in behaviour of the males during their production of ejaculate. Some kind of insanity occurs and they forget everything around them and are only focussed on their contractions.
Then they stop and the male gets his contractions. In this way the bright red interior of the lovely blackie is filled with the result.