Rousant

an eagle rousant    a swan rousant

1. A bird in the act of rising or preparing to take flight.  When this epithet is applied to the swan, it is then understood that the wings are endorsed. See Rising.

2. Also applied to a bird in profile, as an eagle with wings addorsed or endorsed.

3. A predatory bird in flight with head down and talons out stretched to grasp its prey. See Striking or Trussing.

See  Winged Creatures in Attitudes