Bapo saturated and then sing

2002/12/11 Elhuyar Zientzia

• Zoologia

The txantxangorris give color to the winter. But they also give the melody, as they sing at any time, even at small hours. Most birds sing mainly in spring-summer to attract couple and/or protect the territory, among others. And why does txantxangorri also sing in winter?

It seems to be a sign of bapo. In more scientific terms, it has enough energy to claim that the territory is theirs when it is well eaten; it can take time for it. However, if you have food shortages or are very cold, you don't have enough energy to spend on chanting.