Instructions:

1. In a large bowl, combine lime juice, orange juice, olive oil, garlic, cumin, smoked paprika, salt, and pepper.

2. Add shrimp to the marinade, toss to coat, and let marinate for 15-20 minutes.

3. Preheat the grill to medium-high heat. Grill shrimp for 2-3 minutes per side until cooked through.

4. Warm the tortillas on the grill or in a dry skillet.

5. Assemble the tacos by placing shrimp on the tortillas, topping with cilantro, red onion, and avocado slices.

6. Serve with lime wedges.