What is a summary of greedy dog?

"Greedy Dog" is a fable about a dog that finds a bone and, while crossing a bridge, sees its reflection in the water. Mistakenly believing the reflection is another dog with a bigger bone, the greedy dog tries to snatch it, ultimately dropping its own bone into the water. The story illustrates the dangers of greed and the importance of being content with what one has, as the dog's desire for more leads to losing everything.