Late summer food habits of three heron species in northeastern Louisiana
Colonial Waterbirds
By: K. R. Niethammer and M.S. Kaiser
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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.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Late summer food habits of three heron species in northeastern Louisiana |
| Series title | Colonial Waterbirds |
| DOI | 10.2307/1520982 |
| Volume | 6 |
| Issue | 1 |
| Year Published | 1983 |
| Language | English |
| Publisher | Waterbird Society |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 6 p. |
| First page | 148 |
| Last page | 153 |
| Google Analytic Metrics | Metrics page |