Why can't some birds fly? - Gillian Gibb
Why the open web links it
Explains the evolutionary reasons why some bird species have lost the ability to fly.
Linked by 5 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including ted.com, itmo.ru, lacocinadegisele.com, dashu.ai, englishconversationquestions.com.