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Tricolored Heron - BirdForum Opus

Revision as of 23:19, 8 August 2018 by Deliatodd-18346 (talk | contribs) (Image first. C/right. Imp sizes. References updated)
Photo © by mw_aurora
Sanibel Island, Florida

Alternative name: Louisiana Heron

Egretta tricolor

Identification

50–76 cm (19¾-30 in)

  • Blue-grey head, neck, back and upperwings
  • White line along the neck
  • White belly
  • Long pointed yellowish or greyish bill with a black tip
  • Legs and feet are dark

Breeding

  • Long blue filamentous plumes on the head and neck
  • White plumes on nape
  • Buff plumes on the back
  • Bluish bill with black tip
  • Pinkish legs

Distribution

Breeds on the east coast of North America from New Jersey to Florida and the Gulf Coast, and on both coasts of Mexico south to Panama. In South America breeds coastally south to northern Peru on the Pacific coast and the Amazon on the Atlantic coast. Also breeds on the Greater Antilles.

Northern birds are migratory and becomes more widespread on the Gulf Coast and throughout the West Indies. Post-breeding dispersal has taken birds north to New Brunswick and Ontario and a rare but regular visitor to southern California.

Photo © by onlybill
Surfside, Texas, September 2008

Taxonomy

Subspecies

There are 2 subspecies[1]:

  • E. t. ruficollis (occidentalis):
  • E. t. tricolor: smaller; has a chestnut rather than white foreneck stripe

Habitat

Mainly coastal, found in shallow lagoons and on tidal mudflats and estuaries, mangroves and commonly in freshwater swamps in Florida.

Behaviour

Movement

Often runs when hunting prey in water

Diet

The diet includes fish, crustaceans, reptiles and insects.

Breeding

Colonial nester, often with other heron species. Platform nests are built of sticks in trees or shrubs around swamps. Normal clutch size is 3-7 eggs.

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2017. The eBird/Clements checklist of birds of the world: v2017, with updates to August 2017. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. BF Member observations

Recommended Citation

External Links


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