PHALACROCORAX. CORMORANT. 379 



their mother. They remain in the nest until fledged, when 

 their nostrils become obliterated. The Cormorants never fish 

 by plunging from on wing. They generally in diving leap 

 out of the water in a curve, and descend Avith great force. 

 In their digestive organs they resemble the Pelicans and 

 Gannets. 



Two species occur in Britain, both generally distributed, 

 and permanently resident. 



