Bulgaria
Greece
Black Tern
Burgas coast
Bulgaria
6Sept09
Found in Canada, U.S., Europe
and Asia ...N. Amer bird may
be different species.
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.
migratory dates earlier due to
global warming.
(Roger Lederer and Carol Burr)
© Macaulay
Library
Library
Geoffrey A.
Keller
Keller
© BirdNote,
Bob Sundstrom
Childonias in Greek means swallow;
niger is Latin for black.
niger is Latin for black.