Complex sentence: Among the numerous bird species found at the lake, American flamingos ("Phoenicopterus ruber") are prominent; flocks of flamingos are especially concentrated on Isla Cabritos and near the eastern end of the lake.
Split into simpler sentences: Among the numerous bird species found at the lake, American flamingos are prominent. Flocks of flamingos are especially concentrated on Isla Cabritos and near the eastern end of the lake.