Anous is Greek for "unmindful" (Harrison, 1990; see alsonous), and stolidus means "impassive" in Latin (see alsostolid). 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.
Chardine, J.W. and R.D. Morris. 1996. Brown Noddy (Anous stolidus). In The Birds of North America, No. 220 (A. Poole and F. Gill, eds.). The Academy of Natural Sciences, Philadelphia, PA, and The American Ornithologists' Union, Washington, D.C.