Migrations are also happening sooner, with some European birds arriving 2 to 3 weeks earlier than 30 years before, and migratory bats are waking up from hibernation before their time.

• 物种迁徙的时间也比以前提早，一些欧洲的鸟类比30年前提早2到3个星期，迁徙的蝙蝠也会提早从冬眠中醒来。