Introduced cane toads Bufo marinus are active nest predators and competitors of rainbow bee-eaters Merops ornatus : observational and experimental evidence
During a three-year study, introduced cane toads (Bufo marinus) ruined one-third of nest attempts of ground-nesting rainbow bee-eaters (Merops ornatus) by usurping their nest burrows and preying upon their eggs and young nestlings. Birds that had lost their nest to cane toads were less likely to be recaptured in subsequent years. Cane toads are having a significant negative effect at the population level: at present, rainbow bee-eaters produce 0.8 fledglings per nest. However, in the absence of...[Show more]
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