| Dog Breed | Size Category | Average Weight | Life Expectancy |
|---|---|---|---|
| Labrador Retriever | Large | 55–80 lbs | 10–12 years |
| German Shepherd | Large | 65–90 lbs | 9–13 years |
| Beagle | Medium | 20–30 lbs | 12–15 years |
| Chihuahua | Small | 4–6 lbs | 14–16 years |
| Dog breeds vary in weight depending on breed, diet, and lifestyle. | |||