TERNS. 



121 



84. BRIDLED TERN. 



Length 14; pale slate above; 

 collar on back of neck; crown, black, 

 of white of forehead the horns of 

 extend over and just back of eye, 

 beneath, pure white. Young have 

 of forehead more extended and the 

 graj 7 ish more or less streaked with 



white 

 lunette 



which 

 fig. 90: 



white 

 back is 



white. 



Least Tern. 1-6. 



Cries, shrill, ordinary note "icilUck" often 

 ^repeated: alarm a croak: signal for flock to 

 dart downward when flying is a shrill, snar- 

 ling cry, see page 107. Tropical sea coasts 

 in general; breeds commonly on Bahamas 

 in May, placing egg in cavities beneath 



