They may fly far out to sea while keeping a keen eye out for schools of small fish, such as anchovies. When their prey is in sight, these seabirds utilize the physical adaptations that make them ...

developed Raven to maximise gait diversity while minimising weight. The drone weighs just 0.62 kg and features custom avian-inspired legs that mimic the proportions and mechanics of bird limbs.

While all five species have a tuneless, guttural tone that will never win a bird singing contest, each has a distinctive variation. "The typical Australian raven call is the most distinctive ...