Complex sentence: Fjeldsa (2004) 140 The relatively small wings are grey with white secondaries, and beat very rapidly; its small wing area means that the grebe needs a lengthy run across the water to gain the speed for take-off.
Split into simpler sentences: Fjeldsa (2004) 140 The relatively small wings are grey with white secondaries, and beat very rapidly. Its small wing area means that the grebe needs a lengthy run across the water to gain the speed for take-off.