Notes:
similar to Bank Swallow but lacks the white throat and cleanly distinct breast band of the latter; nests singly in holes in sandbanks or in other cavities such as drainage pipes.
buffy underparts; brownish throat, breast (California, USA; 2006-04-01)
dorsal view; uniform plain brown upperparts (California, USA; 2010-05-01)
ventral view; no distinct breast band (California, USA; 2010-05-01)
in flight; squarish tail, long pointed wings (California, USA; 2007-05-09)
in flight; no or indistinct breast band (California, USA; 2007-03-03)