KEY TO Till: \\'.\rj:R lURDS Ol" I'LORIDA. 



^93 



l.ARUS ATRICILLA Linn. 

 Laughing (lull. 



Aiiull in Slimmer : Head and throat plum = 



beous ; rest of u])pc'r parts pearl ^,ra\- : under 

 parts u hite ; bill reddish. 



Adiiif in win/iT : Head wliite marked with 

 ash t;i"ay : throat white. 



Length. I6.5O; Wing. I2.5O; Tail, 5 : I'.ill, 

 1.75. 



This species has a \\ ide iM-eediiiij 



raiii^e, extending from Maine to the 



Gulf of Mexico. It is resident and 



breeds in Florida. The nest is built 



on the ground in marsln' places, and 



the eggs, usually four or ii\e, are 



grayish or pale brownish, blotclied 



with chocolate brown. 



LARUS PHILADELPHIA (Ord). 

 Bonaparte's Qull. 



in wnite 

 built in 

 spots. 



r. 

 snial 



Adult in sumnuT : Bill black ; head and neck phimbeous ; 

 feet orange red ; t<ul white. 



Adult i)i lointei- : Head and neck white: top of the head 

 grayish ; feet flesh color. 



N., Immature birds have a white tail with subterminal band of 



black. 

 ^ Length. 13. 5O : Wing. 10.40 : Tail. 4.15 : Bill. 1.30. 



North America, south in winter to Central 



America and West Indies. Common in Florida 



Breeds far northward. Nest composed of brush and grass 



1 trees or bushes. Eggs four, pale olive, marked w^ith brown 



