The assertion that “birds of a feather flock together” may require an update, taking the age of the birds into account. A recent study published in Current Biology found that — in the case of migratory storks — it’s mostly the younger birds that stick together for survival. As they age, migrating storks tend to lean into their own knowledge of the route, choosing optimal flying conditions over companionship.
The World is an independent newsroom. We’re not funded by billionaires; instead, we rely on readers and listeners like you. As a listener, you’re a crucial part of our team and our global community. Your support is vital to running our nonprofit newsroom, and we can’t do this work without you. Will you support The World with a gift today? Donations made between now and Dec. 31 will be matched 1:1. Thanks for investing in our work!