coot
US /kuːt/
UK /kuːt/

1.
2.
galinha-d'água
a diving bird of the rail family, typically with a dark plumage and a prominent frontal shield on the head
:
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We saw a coot swimming gracefully on the pond.
Vimos um galinha-d'água nadando graciosamente no lago.
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The coot has a distinctive white bill and frontal shield.
A galinha-d'água tem um bico branco distintivo e um escudo frontal.