A new study has determined that birds probably actually do enjoy flying, with the researchers inviting 17 galas at Vogelpark Avifauna to take part in flight demonstrations, and then subsequently observed the birds, tested their levels of optimism and then collected droppings to determine levels of a breakdown product of corticosterone, a stress hormone. The study, published in the journal Behavior, found that flying likely leads to positive emotions in the cockatoos and, as long thought, slipping the surly bonds of Earth and taking to the skies is indeed probably extremely rad even for the creatures for which it is utterly routine.
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