Family Species Period Authority 



Procellariidae 



Fulmarus glacialis Fulmar "about a month" 1 



Fulmarus glacialis Fulmar 50 to 60 days 12 



Puffinus tenuirostris Short-tailed Petrel 



(Mutton Bird) 56 days 14 



Procellaria pelagica Storm Petrel . . 24 to 25 days 1 



Procellaria pelagica Uccello del tempeste 36 days 12 



Storm Petrel (in incubator) 35 days 2 



Oceanodroma leucorhoa Leache's Petrel 



30 (?) days 3 



Phaethontidae 



Phaethon americanus Yellow-billed Trop- 

 ic Bird 28 days 3 



Yellow-billed Tropic Bird (at least) 28 days 26 



Yellow-billed Tropic Bird (in incubator) .28 days 27 



Pelecanidae 



Pelecanus erythrorhynchos White Peli- 

 can ." 29 to 30 days 3 



White Pelican 29 days 30 



Pelecanus onocrotalus Pelikan 36 to 38 days 9 



Pelecanus occidentalis Brown Pelican. . .28 days 3 



Pelican "said to be 49 days" 28 



Pelican (Sp?) 30 days 1 



Phalacrocoracidae 



Phalacrocorax carbo Cormorant ... .28 to 29 days 1 



Phalacrocorax carbo Kormoran 28 days 9 



Phalacrocorax pelagicus pelagicus Pela- 

 gic Cormorant (Est. by W.H.B.) 26 days 21 



Phalacrocorax urile Red-faced Cormo- 

 rant 21 days 3 



Phalacrocorax Sp.? Cormorant 28 days 28 



Sulidae 



Sula piscator Red-legged Gannet 45 days 14 



Sula bassana Gannet 39 days 3 



Sula bassana Gannet 39 days 1 



Gannet (38 to 44 days) usual is 42 days 28 



Gannets 39 days 25 



Sula serrator Australian Sula 



"supposed to last only 33 days" 29 



Gannet "about 33 days" 14 



Ardeidae 



Botaurus lentiginosus Bittern 28 days 3 



American Bittern (at least^ 4 weeks 39 



Ixobrychus exilis Least Bittern 



(estimated) 17 days 40 



Botaurus stellaris Bittern 23 days 1 



Ardetta Minuta Little Bittern . . . . 16 or 17 davs 1 



