The diploid germ cells that have the potential to develop into ova are called oogonia. In humans, all of a female's oogonia that she will make in her lifetime are created when she's still a fetus and hasn't even been born yet.
How do hummingbirds reproduce? To attract hummingbirds to a garden or feeder, rich, bright colors should be used. Red is known to attract hummingbirds from afar but does not have to be the sole color used. Hummingbirds like both annuals and perennials, as long as the colors in the flowers are vibrant.
Color Pattern In good light, male Rufous Hummingbirds glow like coals: bright orange on the back and belly, with a vivid iridescent-red throat. Females are green above with rufous-washed flanks, rufous patches in the green tail, and often a spot of orange in the throat.