Not all animals are the same.
Bali mynas remain in their native dry forest and savanna on the island. Conservationists are trying, with mixed results, to reintroduce more birds to boost the wild population.
We tested how 22 Bali mynas in three UK zoos responded to jelly, a food they had never encountered before, and strange objects placed next to familiar food that makes up their daily diet, including fruit and insects. This fear of novelty was more pronounced in adult birds than juveniles, but the birds were quicker to approach new food and objects when other species, such as white-spotted laughing-thrushes or lilac-breasted rollers, were in their aviaries, suggesting they can overcome fear when competing for food.
But such reintroductions often fail, as many animals raised in captivity struggle to find food, adapt to changing habitats, recognize predators, and breed. In fact,How an animal makes a decision like where to build a nest, how easily they adapt their behavior to new circumstances, and how they learn, including from other animals , are all important criteria for assessing how promising each one is for leading the return of their species to the wild.
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