
Naming
''Anous'' is Greek for "unmindful" , and ''stolidus'' means "impassive" in Latin . The birds are often unwary and find safety in enormous numbers. To sailors, they were well known for their apparent indifference to hunters or predators.There are four subspecies of the brown noddy:⤷ ''A. s. pileatus'', : Red Sea, Indian Ocean east through the Pacific to Hawaii & Easter Island
⤷ ''A. s. galapagensis'' : Galapagos Islands
⤷ ''A. s. ridgwayi'' : islands off western Mexico to Costa Rica
⤷ ''A. s. stolidus'' : islands of the Caribbean and tropical Atlantic
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