New York Natural Heritage Program
Tricolored Heron
Egretta tricolor (Müller, 1776)
Birds
Egretta tricolor Lawrence Korhnak
Family: Herons, Bitterns, and Egrets (Ardeidae)

State Protection: Protected Bird
Defined as a Protected Bird by New York State law. This species may not be hunted or taken at any time in New York.

Federal Protection: Migratory Bird Treaty Act
The Migratory Bird Treaty Act implements various treaties and conventions between the U. S. and Canada, Japan, Mexico and the former Soviet Union for the protection of migratory birds. Under this Act, taking, killing, or possessing migratory birds, including nests or eggs, is unlawful unless specifically permitted by other regulations.


State Rarity Rank: S2
A State Rarity Rank of S2 means: Typically 6 to 20 occurrences, few remaining individuals, acres, or miles of stream, or factors demonstrably make it very vulnerable in New York State.

Global Rarity Rank: G5
A Global Rarity Rank of G5 means: Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.


Did you know?
Formally called the Louisiana Heron, the tricolored heron is only found in North, Central, and South America (Frederick 1997).

State Ranking Justification [-]
New York is near the northern limit of the tricolored heron range. They are restricted to the non-barrier salt marsh islands of southern Long Island.

Short-term Trends [-]

Long-term Trends [-]