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The substrate use by animals may influence both their morphology and diet. Species of the genus Chironius are among the most conspicuous frog‐eating, arboreal snakes in South America. The aim of the present study was to investigate whether diet and morphology relate to substrate use in five sympatric Chironius species from the Atlantic Forest. Our hypothesis is that habitat pressure is strong enough...
Nest stacking is a rarely reported phenomenon in birds. Here, we place the behavior within the broader context of nest functions, describe new observations of nest stacking within and between Neotropical marsh‐dwelling songbirds, and discuss the ecological significance of this behavior, including its role in interspecific facilitation.
Abstract in Spanish is available with online material.
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