The study also found that over several generations, the birds’ beaks have also evolved in response to these human-made sugar dispensers. Alexandre was inspired by an old National Geographic ...

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The study, which had been in the works since 2019 and had 16 collaborators across 12 different institutions, also found that the beaks of males grew pointier over time to allow them to fight off ...

In contrast with mammals, measures of cochlear tuning in budgerigars do not match the frequency dependence of behavioral tuning. Earlier behavioral data in the budgerigar had shown good selectivity at ...