Brown Booby
Adult (Atlantic)
Large, heavy-bodied seabird with a daggerlike bill. Adults are dark brown above with a white belly and yellow feet. Note pale yellow bill.
© Bill Adams | Macaulay LibraryArkansas, November 07, 2015Adult (Colombian)
Large seabird with a bullet-shaped body. Adults have an all dark back and tail.
© Moe Bertrand | Macaulay LibraryLeón, October 28, 2015Adult (Brewster's) with Western Gulls
© Jay McGowan | Macaulay LibraryBaja California, March 08, 2014Not all videos have soundAdult (Brewster's)
Birds along the Pacific Coast of Mexico have a paler head, but still have a dark brown back and tail.
© Greg Gillson | Macaulay LibraryCalifornia, September 21, 2014Adult (Forster's)
Large seabird with a bullet-shaped body and daggerlike bill. Brown above with a brown neck and a white belly.
© Alan Atkinson | Macaulay LibraryWestern Australia, August 03, 2012Adult (Brewster's) with Western Gull
© Jay McGowan | Macaulay LibraryBaja California, March 08, 2014Not all videos have soundImmature
Immature birds look like adults but have a dingy brown belly.
© Bill Bacon | Macaulay LibraryChristmas Island, November 10, 2016Adult (Colombian)
Heavy-bodied dark brown seabird with a white belly. Note pale yellow bill and feet.
© Brian Sullivan | Macaulay LibraryGuanacaste, November 11, 2008Adult (Forster's) with Red-footed Booby
© Timothy Barksdale | Macaulay LibraryHawaii, April 01, 2003Not all videos have soundImmature
Immature birds look similar to adults but have a dingy brown belly.
© Tim Lenz | Macaulay LibrarySonora, November 25, 2015Adult (Forster's)
Plunge-dives into the ocean, sweeping its wings backward and slicing through the water like an arrow.
© Rodney Appleby | Macaulay LibraryQueensland, July 02, 2016Adult (Forster's)
© Timothy Barksdale | Macaulay LibraryHawaii, April 01, 2003Not all videos have sound