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Evaluation of an extendable pole-net to collect heron eggs in the canopy of tall trees

Colonial Waterbirds
By:  and 

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Abstract

A pole, extendable from 2 to 8 m, with a nylon-mesh collecting net, was used to retrieve eggs from nests of Great Blue Herons (Ardea herodias) in the canopy of floodplain forests. A total of 200 eggs was collected for contaminant analysis from ten colonies along the upper Mississippi River during the spring of 1993. Low egg breakage (1%) and acceptable survival of embryos in an incubator to pipping (55%) indicated that the device was useful.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Evaluation of an extendable pole-net to collect heron eggs in the canopy of tall trees
Series title Colonial Waterbirds
Volume 18
Issue 1
Year Published 1995
Language English
Publisher National Biological Service
Contributing office(s) Upper Midwest Environmental Sciences Center
Description pp. 120-122
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Colonial Waterbirds
First page 120
Last page 122
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