BRITISH BIRDS' NESTS. 



161 



Gull, Blackcap, Sea Crow, Hooded Mew, Brown- 

 headed Gull, Mire Crow, Croker, Pickmire. Sits 

 lightly, and clamours noisily overhead when dis- 

 turbed. Gregarious, as a rule. 



BLACK-HEADED GULLS AT HOME. 



GULL, COMMON. 



(Larus canus,) 

 Order GAVLE ; Family LARID.E (GULLS). 



Description of Parent Birds. 

 Length about eighteen 

 inches. Bill rather short, 

 slightly curved downward at 

 the tip, and yellow in colour. 

 Irides orange-brown, Head 

 and neck snowy- white. Back 

 and wings French grey ; tips 

 of wings black, spotted with 

 white, on account of some of 

 the primaries having white 

 COMMON GULL. ends. Tail-coverts and quills 



