(Mainly along the north coast of North American and the east coast down to Virginia)  

| Adults | Flying | Groups |    
  

  
   Black Guillemot
   Cepphus grylle
 Vigur Island
 Iceland
 29 Jul 2024

  
 by Kendall Brown
 ©Kendall W. Brown
   Black Guillemot
   Cepphus grylle
 Vigur Island
 Iceland
 29 Jul 2024

  
 by Kendall Brown
 ©Kendall W. Brown
   Black Guillemot
   Cepphus grylle
 Maine
 21 Jun 2013

  
 by Margaret Sloan
 ©Margaret Sloan