Late summer food habits of three heron species in northeastern Louisiana

Colonial Waterbirds
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Abstract

Yellow-crowned Night-Herons (Nycticorax violaceus), Little Blue Herons (Egretta caerulea), and Green-backed Herons (Butorides striatus) collected in northeastern Louisiana from July-September 1980 exhibited different diets. Yellow-crowned Night-Herons fed mostly on crayfish (74% by weight) and Green-backed Herons fed primarily on fish (93% by weight). The diet of Little Blue Herons was diverse, including fish (61%), crustaceans (11%), insects (13%), and arachnids (14%). Yellow-crowned Night-Herons captured larger prey than did either of the smaller herons. Green-backed Herons took larger prey and a greater range of prey sizes than did the larger Little Blue Herons.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Late summer food habits of three heron species in northeastern Louisiana
Series title Colonial Waterbirds
Volume 6
Issue 1
Year Published 1983
Language English
Contributing office(s) Patuxent Wildlife Research Center
Description 148-153
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Colonial Waterbirds
First page 148
Last page 153
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