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12 August 2019 Eviction Notice: Observation of a Sterna hirundo (Common Tern) Usurping an Active Sternula antillarum (Least Tern) Nest
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Abstract

Although nest usurpation is common in some species and orders of birds, usurpation has rarely been reported for Sterninae. We observed a Sterna hirundo (Common Tern) egg in an active Sternula antillarum (Least Tern) nest with a complete clutch in a mixed-species Sterninae colony in Chesapeake Bay, MD, in May 2018. Based on observations from a game camera following usurpation, Common Terns incubated the mixed-species clutch, with no further parental care provided by the usurped Least Tern. The clutch never hatched, as the Common Terns abandoned the nest prior to the hatching. While we suspect that Common Terns usurped the Least Tern nest, alternative scenarios may explain how the Common Tern egg was documented in a Least Tern nest.

Georgia J. Riggs, Jeffery D. Sullivan, Kayla M. Harvey, Dimitri A. Pappas, Jennifer L. Wall, Peter C. McGowan, Carl R. Callahan, Craig A. Koppie, and Diann J. Prosser "Eviction Notice: Observation of a Sterna hirundo (Common Tern) Usurping an Active Sternula antillarum (Least Tern) Nest," Northeastern Naturalist 26(3), 609-615, (12 August 2019). https://doi.org/10.1656/045.026.0313
Published: 12 August 2019
JOURNAL ARTICLE
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