Psilopterus
... that Psilopterus was about the same size as the modern cariama, making it the smallest of the carnivorous prehistoric avians known as terror birds?
... that <i id="mwEjg"><b id="mwEjk"><a href="./Psilopterus" id="mwEjo" rel="mw:WikiLink" title="Psilopterus">Psilopterus</a></b></i> was about the same size as the modern <a class="mw-redirect" href="./Red-legged_Seriema" id="mwEjs" rel="mw:WikiLink" title="Red-legged Seriema">cariama</a>, making it the smallest of the <a href="./Carnivore" id="mwEjw" rel="mw:WikiLink" title="Carnivore">carnivorous</a> prehistoric <a href="./Bird" id="mwEj0" rel="mw:WikiLink" title="Bird">avians</a> known as <a href="./Phorusrhacidae" id="mwEj4" rel="mw:WikiLink" title="Phorusrhacidae">terror birds</a>?