What specific flight posture, often displayed by the Turkey Vulture (Cathartes aura), involves holding wings in a slight V-shape?
Answer
Dihedral
The Turkey Vulture (*Cathartes aura*) is frequently observed soaring with its wings held in a distinct, slight V-shape, a posture specifically referred to as a dihedral. This flight characteristic is often used as an identifier in the field, especially when distinguishing it from the Black Vulture (*Coragyps atratus*), which maintains steadier, flatter wings during flight. This specific wing arrangement aids in soaring efficiency and provides a key visual cue for observers in the Americas.

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