Black Tern
Burgas coast
Bulgaria
6Sept09
Found in Canada, U.S., Europe
and Asia ...N. Amer bird may
be different species.
Chlidonias niger
(L 9.75" WS 24" Wt 2.2 oz)
 
Juveniles
Birds have clearly moved their
migratory dates earlier due to
global warming.
       (Roger Lederer and Carol Burr)