Why do birds sing as dawn breaks? Indeed, why do some sing at dusk? And for what reasons do they eventually stop?
Eva Sanz, Tarragona, Spain
More from New 女生小视频
Explore the latest news, articles and features
Health
Personalised cancer vaccine expected to be approved next year
News
Technology
Brazil presidential election dogged by alleged bias by Meta AI tools
News
Health
Body temperature may drive the higher risk of autoimmune conditions in women
News
Comment
Emily St. John Mandel: ‘I don’t want to write something relentlessly bleak’
Culture
Popular articles
Trending New 女生小视频 articles