Intraspecific nest destruction in the long-billed marsh wren, Telmatodytes palustris palustris

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Abstract
Long-billed marsh wrens of both sexes attacked other marsh wren nests and destroyed the eggs. Female marsh wrens reduce this type of nesting failure by placing a soft inner lining in their nests and by aggressively excluding other marsh wrens from the vicinity of their nests. Intraspecific nest destruction may have evolved either as a consequence of interspecific nest destruction or more likely as a mechanism of reducing intraspecific competition.

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