So, you could train a pigeon to peck for food but that's because pecking for food is a very natural response.

你可以训练鸽子啄食,但这只是因为啄食是种自然反应而已。

耶鲁公开课 - 心理学导论课程节选

It's very difficult to train it to peck to escape a situation.

训练鸽子通过叼啄,来脱离某种情境是很困难的。

耶鲁公开课 - 心理学导论课程节选