Tricolored Heron populations declined slightly between 1966 and 2014, according to the North American Breeding Bird Survey. The North American Waterbird Conservation Plan estimates a U.S. breeding population of less than 194,000 birds, rates the species a 15 out of 20 on the Continental Concern Score, and lists it as a Species of High Concern. Tricolored Heron is not on the 2014 State of the Birds Watch List. Back to top
Frederick, Peter C. 2013. Tricolored Heron (Egretta tricolor), version 2.0. In The Birds of North America (P. G. Rodewald, editor). Cornell Lab of Ornithology, Ithaca, New York, USA.
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