Complex sentence: Motion camouflage has been observed in high-speed territorial battles between dragonflies, where males of the Australian emperor dragonfly, "Hemianax papuensis" (Aeshnidae) were seen to choose their flight paths to appear stationary to their rivals.
Split into simpler sentences: Motion camouflage has been observed in high-speed territorial battles between dragonflies, where males of the Australian emperor dragonfly, "Hemianax papuensis" (Aeshnidae). They were seen to choose their flight paths to appear stationary to their rivals.