a bird building a nest a turtle burying its eggs a bear hibernating in winter a horse pulling a plow
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which of these is not an instinctive behavior?
Possibilities:
- a bird building a nest
- a turtle burying its eggs
- a bear hibernating in winter
- a horse pulling a plow

a horse pulling a plow