Well, that depends whether it is male or female.
The female generally receives sperm from the male during sexual intercourse of some kind.
As for males, it is hard enough to discern when a human male gains sperm or reaches puberty, without trying to guess when a male animal is finally ready to impregnate ... and, of course, it will be different from specie to specie.
the testes
No, not all animals have sperm. Amoebas and some other protists are technically animals but reproduce asexually instead of with sperm and eggs.
Almost all animals begin as an egg and a sperm. There are a few exceptions, though, such as sea sponges. But for the majority, they begin as sperm and egg.
All animals produce about the same amount of sperm.
sperm cell is the typical sperm of most animals has a head containing the nucleus and acrosome
The sperm whale.
Depends on the animal
Like all other animals there are female Sperm whales.
sperm whales
Yes. All animals are living right? They all have sperm.
No, but they are listed as "Vulnerable".
No, the animal version of pollen is sperm.
sperm and eggs.