{"id":47642,"date":"2026-07-21T15:43:49","date_gmt":"2026-07-21T20:43:49","guid":{"rendered":"https:\/\/lafeber.com\/pet-birds\/?p=47642"},"modified":"2026-07-21T15:43:49","modified_gmt":"2026-07-21T20:43:49","slug":"inside-dr-pepperbergs-lab-why-some-noises-terrify-parrots-others-dont","status":"publish","type":"post","link":"https:\/\/lafeber.com\/pet-birds\/inside-dr-pepperbergs-lab-why-some-noises-terrify-parrots-others-dont\/","title":{"rendered":"Inside Dr. Pepperberg’s Lab: Why Some Noises Terrify Parrots & Others Don’t"},"content":{"rendered":"
\"grey
Griffin being calmed down during what he seems to view as a lawn mower “attack.”
Image courtesy of Dr. Pepperberg.<\/figcaption><\/figure>\n

As we approached the July 4th<\/sup> holiday, with all the accompanying fireworks, some of my newer Research Assistants (RAs) asked me how we were going to prepare for what they expected to be Griffin\u2019s fear reactions to so many loud, unexpected noises. I reassured them that Griffin would not be bothered much at all. I can\u2019t claim that all parrots, or even that all Grey parrots are unaffected, but we\u2019ve never noticed any strong reactions from our birds. Importantly, we have cameras on them to observe their night-time behavior, so we know this is the case. In the Boston area, we also have fireworks on New Year\u2019s Eve, and, again, have never noticed more than a brief awakening with a fairly quick return to rest.<\/p>\n

We have no idea why they are so calm. One thought is that the fireworks might sound a bit like a somewhat far-away thunderstorm. Keep in mind, they are never all that close to the epicenter of the explosions, so it might simply be a recognition of the distance involved. If that were the case, they\u2019ve learned that they are always safe in such situations, and not to be alarmed.<\/p>\n

Why Fireworks Don’t Scare Griffin, But Lawn Mowers Do<\/h3>\n

However, they do<\/em> respond intensely to other relatively rare but unpleasant sounds. In two of the apartments we\u2019ve inhabited since leaving the lab at Harvard, we have been on the ground floor, which means the birds hear lawn mowers. Fortunately, the noises don\u2019t persist for all that long, but Griffin really freaks out. Maybe it is because it is something he\u2019s experienced only later in life, or maybe there is a particular “sound signature” to the motor that he finds particularly unpleasant, but he is definitely not<\/em> a happy camper. We have to work hard to calm him down, sometimes actually holding him close to our chest, as we did when he was a chick (see Figure).<\/p>\n

In contrast, other sounds barely register. Although he doesn\u2019t much care for the nightly sound of our vacuum cleaner, that noise has been a constant in his life, and he doesn\u2019t respond with anything near the level of fear saved for the lawn mower\u2026he gives the vacuum what we call the \u201cstink eye\u201d and resumes whatever he is he had been doing. Street cleaning machines and garbage removal trucks don\u2019t seem to be nearly as disturbing as a lawn mower\u2014maybe because they are further away from the windows and are quickly gone? He might briefly startle at those sounds, but then shrugs them off. But even the sight of a now-quiet lawn mower sends him into a bit of a frenzy\u2026<\/p>\n

I discuss this topic because we really do need to be aware of the effects of sounds on our feathered companions. Although the peak of their hearing range overlaps ours, their hearing is much more sensitive at higher frequencies, and sounds we simply don\u2019t hear could be annoying or downright disturbing to them. And sometimes we are totally oblivious, as was the case described to me by my close friend and colleague Chris Davis<\/a>.<\/p>\n

Chris had been called in by a parrot owner because her bird had suddenly started to pluck extensively. Chris interviewed the owner, who claimed that the bird\u2019s diet had not changed, that there were no new people in the house, that the daily schedule was the same as ever, and that even the inter-personal relationship among the household members had not changed. Chris was quite perplexed, when all of a sudden she heard some extremely loud \u2018bongs\u2019 from a grandfather clock in the entryway. \u201cAnd how long ago did you install the clock?” queried Chris. \u201cAnd how long after did your bird start plucking?\u201d \u201cAnd does the clock chime all night?\u201d I\u2019m sure you can figure out the answers to these questions!<\/p>\n

I\u2019m also reminded of a case described by another colleague, who was trying to design appropriate \u2018soundscapes\u2019 for bird enclosures at a zoo. When she reviewed the literature, she found just how careful one would have to be: In one instance, the chosen material, which was supposed to be a completely naturalistic, calming, enrichment experience inadvertently contained alarm calls to which the birds never habituated (Kleinberger, 2020). Needless to say, the effects were not as positive as expected.<\/p>\n

So, the bottom line is that we need to be conscious of all of the input received by the birds that inhabit spaces with us. It is quite possible that your particular bird really does<\/em> share your love of heavy metal bands, but maybe you should pay some attention to their<\/em> reactions before blaring your preferred music in an enclosed area!<\/p>\n

 <\/p>\n

References<\/strong><\/p>\n

Kleinberger, R. (2020). Vocal connection rethinking the voice as a medium for personal, interpersonal, and interspecies understanding (PhD dissertation). Massachusetts Institute of Technology.<\/p>\n","protected":false},"excerpt":{"rendered":"

Why do fireworks barely faze Griffin while a lawn mower sends him into a panic? 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