Outer t 

 Middle tc 



GLOSSARY 



Auricular. Pertaining to the ear or ear region. 



Angle of titt. Angle near tip of lower mandible (of Gulls and 



Terns). 



Bend of wing. Area about joint at base of primaries. 

 Cheek. Below eye, about corner of mouth. 

 Coverts. See map of bird. 

 Ear region. See map of bird. 



Ear-tufts. Feather tufts growing above and behind eye. 

 Facial disc. Circular area of feathers radiating from eye 



characteristic of Owls. 

 Gorget. Scale-like feathers, of metallic colors, on throat of 



Hummingbirds. 



Gular sac. A pouch of bare skin on mandible and throat. 

 Immature. Between juvenile and adult. 

 Juvenile. Pertaining to the first feather coat following the downy 



stage. 



Lores. Area between eye and bill. 

 Malar stripe. Stripe on side of throat, from base of mandible. 



