The gulls where I live on the south coast of England can be heard squawking day and night. Why aren鈥檛 they quiet, and presumably asleep, like other birds at night?
Dawn McNally, Brighton, UK
We pay 拢25 for every answer published in New Scientist. To answer this question 鈥� or ask a new one 鈥� visit newscientist.com/lastword. Terms and conditions apply.
Advertisement
This article appeared in print under the headline 鈥淣ighthawks鈥�