Insects, worms, various fruits and berries.

Song thrush. Mistle thrush. There are many birds around the world whose name ends with thrush (South Island thrush, native thrush, New Zealand thrush...)

No, thrush is not a bacteria. Thrush is the name of a yeast infection.

An ant thrush is either of two species of insectivorous thrush - Neocossyphus rufus - the red-tailed ant thrush - and neocossyphus poensis - the white-tailed ant thrush.

thrush (the bird) = tordo, zorzal, malvis (accent on the 'i')

thrush (medical) = aita (accent on the 'i')

thrush (veterinary) = higo