More than half of world's migratory bird species are declining

The first comprehensive global assessment of migratory birds finds that 51% of species are declining across every major flyway on Earth. More here >

DNA vacuum captures animal traces from air to map Danish wildlife

Portable air samplers detected dozens of bird and mammal species in Denmark, offering a new way to monitor wildlife without seeing or hearing it. More here >

Seabirds trade survival for future breeding success after costly summers

An experiment with Kittiwakes found that birds facing high breeding costs were less likely to return, while longer winter movements were linked to greater future breeding success among the survivors. More here >