Among these eagles, the golden eagle tends to have the most similar habitat preferences to the Eurasian eagle-owl and across a broad band of overlapping distribution, the two are considered nearly ecological equivalents by day and night.
12.
""'Patagosmilus " "'( " Patagonian knife " in Anachlysictis gracilis ", it was characterized by its elongated fangs of the upper jaw, similar to the well known " sabertooth cats " ( Machairodontinae ), which they were ecological equivalents.