AZ Animals on MSN

80 million years on the ground made these birds stop flying

Quick Take New Zealand’s long isolation without land predators allowed many birds to evolve safe ground‑nesting habits. Kiwi, ...
PBS

New study finds ostriches and other large flightless birds had long-distance flying ancestors

This article originally appeared on The Conversation. Aside from being a delight to watch, flight in birds is regarded by many cultures as a symbol of freedom, and a source of inspiration for humans ...