Title |
Body | ||
|---|---|---|---|
| Aigrette |
Aigrettes are the long and loose breeding feathers of birds such as herons and egrets that are typically used for courtship displays. |
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| Air Sac |
A structure unique to the respiratory system of birds. Air sacs are thin-walled structures... |
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| Airfoil |
The airfoil around a bird's wing enables it to create lift due to the difference in airflow over the upper and lower surfaces. |
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| Alula |
Three feathers springing from the base of the primaries. |
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| Auriculars |
Area around the ear-opening; a circle of feathers surrounding the opening of the ear of... |
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| Auris |
The ear; an opening to the ear canal which is covered in feathers and which is located behind and slightly below the eye. |
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| Aves |
The taxonomic class for birds. |
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| Axillary |
Ventral area between the body and the wing. |
