Mustviiresed on Eestis väga lühikest aega, tullakse ainult pesitsema ning
nii kui pojad on lennuvõimelised, lennatakse lõuna poole tagasi. Nii
saabuvad nad mais ning tagasilend algab juba augustis. Elupaigana
eelistavad viiresed madala veega veekogusid. Foto tehtud Tartumaal.
Black Terns are in Estonia for a short period of time as they only come
to nest here. As soon as the offsprings can fly, they head back south.
So the terns arrive in May and start migrating back in August. As a
habitat they prefer lakes and bays with shallow water. The photo is
taken in Tartumaa, Estonia.
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