This is the 1260th most frequent Portuguese word.
uns
"Uns" in Portuguese means "some" or "a few" in English.
In this sentence, 'uns' is used to quantify the noun 'pássaros,' suggesting an unspecified or approximate number of birds.
Eu vi uns pássaros no parque.
I saw some birds in the park.
Here, 'uns' is used colloquially to indicate an indeterminate small group of friends, conveying a vague plurality.
Uns amigos vieram me visitar ontem à noite.
Some friends came to visit me last night.
In this example, 'uns' implies estimation or approximation regarding the number of days it rains.