Complex sentence: The scarcity of observations is usually attributed to this species' cryptic colouration and arboreal lifestyle; however, low activity levels associated with a sedentary foraging pattern might be an alternative explanation for its inconspicuousness.
Split into simpler sentences: The scarcity of observations is usually attributed to this species' cryptic colouration and arboreal lifestyle. However, low activity levels is associated with a sedentary foraging pattern might be an alternative explanation for its inconspicuousness.