A rubythroat is a small bird with a red throat. It is also called a rubythroat hummingbird.
People like to see rubythroats because they are pretty and interesting.
Examples:
The rubythroat is a small bird.
I saw a rubythroat in the garden.
The rubythroat has a red throat.
The rubythroat is the prettiest bird.
I want to see a rubythroat in real life.
The rubythroat flies very fast.