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Late summer food habits of three heron species in northeastern Louisiana

Colonial Waterbirds

By:
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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