In a large bowl, combine the rinsed black beans, diced avocados, mango, bell pepper, and finely diced red onion. Add the finely chopped fresh cilantro.
1 can black beans, rinsed and drained, 1 large mango, diced, 2 medium avocados, diced, ½ medium red bell pepper, ¼ medium red onion, finely diced, 2 tbsp fresh cilantro, chopped