adult (California, USA; 2006-06-20)

Least Tern
Sterna antillarum

Native Range: North America and middle America

Notes: a small, plunge-divng tern with a yellow bill and white forehead; nests colonially on ground; an endangered species in the United States.

adult; no sexual dimorphism (California, USA; 2007-05-13)

white forehead, yellow bill (California, USA; 2006-06-20)

long wings, rapid wingbeats (California, USA; 2006-06-20)

on nest with chick (California, USA; 2007-06-16)
see chick on right (California, USA; 2007-06-16) somewhat older hatchling (California, USA; 2009-07-12)
juvenil, with brown streaking on back (California, USA; 2009-07-12) juvenile in flight (California, USA; 2008-07-13)
older juvenile, with brownish cap (California, USA; 2008-07-13) juvenile with fish (California, USA; 2009-07-12)
adult with fish (California, USA; 2006-05-24) grace and beauty (California, USA; 2006-06-20)