Marketing in nature:

A Dutch children's song named "Little Red Robin Taps on The Window" tells us the story of a Robin wanting to get into the house to get warm. Finches do tap on the window and it's lovely to see them up close.

The reality is that they agressively fight their own reflection to defend the nest.

PENTAX K-70 Ver. 1.11 - smc PENTAX-DA 50mm F1.8