Nest-Site Characteristics and Reproductive Success in the Superb Fairy-Wren

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Abstract
SUMMARY NIAS, RAYMOND C. 1986. Nest-site characteristics and reproductive success in the Superb Fairy-wren. Emu 86: 139–144. The influence of a number of nest-site variables on reproductive success in a population of Superb Fairy-wrens was investigated. Blackberry brambles were the most frequently used substrate and nests placed in brambles were more often successful and more productive per nest attempt than nests in other substrates. Successful nests were better concealed, higher above the ground, closer to the edge of the substrate, and more often in brambles than in other substrate types. Nest concealment and substrate type may be important in protecting the nest from predation and brood parasitism. The presence, or number of helpers in a breeding group was not found to have a significant effect on either nest success or nest productivity.