What occasion was being celebrated in the story?

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Seryozha received a net for catching birds as a gift from his uncle.

Seryozha's mother did not like the idea of catching bird because birds are the beauty of nature. They shouldn't be tormented keeping in cages.

Seryozha caught a siskin, a kind of small songbird, in the net.

At first Seryozha took care of the bird by feeding it grain, changing its water and cleaning the cage.

If I were in seryozha's place. I w ould have fed it and let it go after catching the siskin.

Seryozha's favourite gift was a net for catching birds and his uncle gave it.