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Diet and tadpole transportation in the poison dart frog Ameerega trivittata (Anura, Dendrobatidae)

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Diet and transportation of tadpoles by Ameerega trivittata was studied in the eastern Amazon basin. A total of 56 specimens (48 males and 8 females) were sampled, 44 out of which had quantifiable stomach contents. Forty males were recorded to carry between 1 and 18 tadpoles. Forty pools were measured and sampled for tadpoles and odonate naiads, a putative tadpole predator. Myrmicine ants predominated in the diet of males, putatively leading to higher concentrations of alkaloids beneficial during tadpole transport. No relationship was found between male size and the number or size of tadpoles transported, and between pool size and tadpole abundance. The number of tadpoles in the pools was negatively related to the abundance of odonate naiads.
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Keywords: DENDROBATID; FLUSHING; ODONATA; POOLS; PREDATION

Document Type: Short Communication

Publication date: July 1, 2015

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