The bird hunting a locust is unaware of the hawk hunting him.
More Portuguese Proverbs:
Of oil, wine, and friends, the oldest.Portuguese
Vile let him be who deems himself vile.
Portuguese
You have to suffer a lot or die young.
Portuguese
The poor man eats at double cost.
Portuguese
The savage ox grows tame on strange ground.
Portuguese
A beard once washed is half shaven.
Portuguese