Since it's #nationalbirdday I'd like to highlight the Andean Condor (Vultur gryphus). With a wingspan of up to ten feet and excellent vision, one of the places it can be found is Cerro Pachón, Chile - home to other large things with excellent vision.
(Andean Condor photo by The Rainforest Alliance)
(Cerro Pachón photo by International Gemini Observatory/NOIRLab/NSF/AURA/R. Rutten)