No. The only birds that have penises are some duck and goose species. Cockatiel reproductive organs are located inside the bird's body. If a male cockatiel has a fleshy lump near or in his cloaca, he may have a tumor. You should consult your avian veterinarian if you see anything unusual on your bird's body.
Yes. Your female cockatiel may lay an egg however without a male it will not be fertilised and therefore a dud.
FEMALE
A male finch can't really live with a female cockatiel as you should not mix straight-beaked and hooked-beak birds.
The male organ of copulation is the penis.
You cannot. A female cockatiel needs a male cockatiel to mate with her before she will produce fertile eggs. And incidentally, birds do not "fall pregnant".
Yes, that's how you get more cockatiels.
Well, they tried to anyhow. Probably. That's how they do it. if the male jumps on the females back they were trying but they got interupted by someone walking past them or coming to their cage.
No male mammal is born without a penis - male cats included.
If there is no male in the cage, they will lay eggs, but they will not be fertile.
It is called the penis. Or in Latin, the phallus.
The male that has fallen victim to circumcision has no skin on his penis that can cover the glans at the top. The male with an intact penis will have a tube of skin that covers the glans penis, particularly when it is not erect.
A male dog will have a penis.