どんぐりげらじゃありませんでした
団栗啄木鳥じゃありませんでした
dongurigerajārimasendeshita

Noun
Desu Copula

The polite, past negative form of どんぐりきつつき

1. Was not a banded woodpecker.; Was not a group of chestnuts and a woodpecker.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana