Host defenses that protect against infection include natural barriers (eg, skin and mucous membranes), nonspecific immune responses (eg, phagocytic cells [neutrophils, macrophages] and their...
Protects the mind/self/ego from anxiety, social sanctions, or situations that can't be coped with currently.
First off, there are 6 species in this genus. Second, the plumage is heavy to protect its skin, but it does not fly well.
Hiding
I've noticed that when a raptor flies over our tropical conservatory our superb starlings will fly to cover while making a disitinctive alarm call.