Abstract

Abstract ∙ Bird entanglement by plants may be globally widespread, but it is not a frequently studied phenomenon, and records in different regions of the world are still scarce. During a short visit to the El Impenetrable National Park, Chaco province, Argentina, in October–November 2022, we recorded 15 incidental cases of birds entangled or trapped by fruits of the tree Pisonia zapallo. Our report involves 12 bird species from eight families, with a wide range of body sizes and masses. To our knowledge, this is the first documented report on this phenomenon in continental South America.

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