Eagle Striking §
A mighty bird.
Default posture: displayed. No proper coloration.
Source: The Trade Signs of Essex. Artist unknown.
Falcon Striking §
A bird of prey. May also be blazoned a “hawk.”
Default posture: close. Proper coloration: brown.
Owl Striking Wings Displayed Head to Dexter §
A night-hunting bird of prey.
Default posture: close guardant. Proper coloration: brown, unless owl is blazoned as a type with distinctive coloration (e.g. a “snowy owl proper” would be argent).
The attitude of the head must be blazoned here because owls default to guardant in any posture.
Source: Pennsic Traceable Art. Artist unknown.