Which risk increases for a migratory bird when feather barbules fail due to parasitic mite infestation?

💡 Explanation

When barbules fail due to mite damage, airflow separation occurs because the feather's airfoil shape is compromised preventing smooth passage of air. This negatively impacts lift and control, leading to decreased flight maneuverability. Thus, impaired maneuverability results, rather than insulation, buoyancy, or immunity, which depend on other feather properties.

• Which outcome occurs when the angular deviation displayed via waggle dance is misinterpreted in Apis mellifera?
• Which developmental consequence results when juvenile hormone esterase (JHE) activity increases within insect hemolymph?
• Which metabolic adaptation allows migratory birds to sustain long-distance soaring flight?
• Which consequence results when ocean iron fertilization increases?
• Which outcome reduces avian thermal stress when ambient temperature increases beyond a thermoregulation threshold?
• Which consequence result when a hive exhibits poor waggle dance interpretation?