CHART ILLUSTRATING EXHIBIT OF LAYSAN ISLAND SEA-BIRDS 



Laysan albatross {Diomedea immutabilis) 6. 



Black-footed albatross (Diomedea nigripes) 7 

 Christmas Island shearwater (Puffinus nativitatis) 



White-breasted petrel (Pterodroma leucoptera) 9. 



Red-tailed tropic bird {Phaethon rubricauda) 10. 



Blue-faced booby {Sula dactylatra) 



(Male) and 8 (female). Man-o'-war bird or 



frigate bird (Fregata minor) 

 Gray-backed tern [Sterna lunala) 

 Noddy tern {Anous stolidus) 



to photograph them. In fact the albatrosses were astonishingly fearless and would 

 sometimes walk up and examine some portion of our belongings as if they had known 

 us always." As a man walks among them, the albatrosses scarcely step aside to let him 

 pass; they may even peck at his trousers. 



Two species of albatross dominate the scene. Albatrosses as a group (there are 

 about thirteen species) are southern, but three belong to the North Pacific Ocean. 

 Both the Laysan species are about as large as a goose, but they are not as large as the 

 wandering albatross. This last, with a wing spread of up to 11 ^4 feet and a weight of 

 about eighteen pounds, is the largest flying bird, if we accept wing spread as the 



f49' 



