She would always tell on Jem and Scout. But later for Jem to find out, Mrs. Dubose was only like this because she was sick. Later when Mrs. Dubose died, Jem learned more about her. She was very courageous and hard working.
In fact, ravens will eat just about anything, including the occasional pickings from garbage cans for the city-dwelling ravens. Their usual diet contains insects, seeds, carrion (meat from the carcasses of animals killed by predators), the eggs and nestlings of other birds, and frogs.
For example, a snake eating a mouse, the snake is considered the predator because it is consuming the mouse. In another example, a striped marlin is a predator. It lives in the Pacific Ocean and preys on sardines, also a Pacific animal. Similarly, various birds eat earthworms.