The whistling heron is a medium-sized, often terrestrial heron of South America. There are two subspecies, the southern "S. s. sibilatrix" and the northern "S. s. fostersmithi".
Similar species: Pelicans, Herons, Ibises
By NattyOne
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Uploaded Jan 28, 2020. Captured Jul 28, 2019 14:56.
