Green coloration of recently laid black-crowned night-heron eggs

Colonial Waterbirds
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Abstract

Color of Black-crowned Night-Heron (Nycticorax nycticorax) eggs of known laying order was quantified in a Wisconsin (USA) colony. Eggs were of greener intensity on the day of laying and one day thereafter than earlier laid eggs within a clutch. Egg color can be used to identify clutches within one day after clutch completion and to assign laying order within clutches during this period.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Green coloration of recently laid black-crowned night-heron eggs
Series title Colonial Waterbirds
Volume 14
Issue 2
Year Published 1991
Language English
Contributing office(s) Patuxent Wildlife Research Center
Description 184-185
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Colonial Waterbirds
First page 184
Last page 185