Loudest bird?
By Birding-Aus, on March 8th, 2015
All, I seem to have started something here … Dave Watson reckons that White Bellbirds & Noisy Scrub Birds are pretty noisy but for mine a family of Blue-winged Kookburras at close quarters is the loudest bird I’ve heard in a while. My blog post is here “The loudest bird in the world? The Blue-winged Kookaburra, *Dacelo leachii* ” — Bob Gosford Crikey.com The Northern Myth blog http://blogs.crikey.com.au/northern/ Alice Springs, NT Australia Ph: (+61) 0447024968 Twitter: @bgosford “The NT Government does not respond to random electronic gossip sites.”
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Two years ago, emerging from my accommodation at the Penrith Panthers Leagues Club at dusk, I was deafened by what I thought was the noise of high-powered machinery. It was a huge flock – hundreds – of Rainbow Lorikeets settling for the night in the nearby trees. Shirley Cook —– Original Message —– Cc: “‘Birding-Aus'” < birding-aus@birding-aus.org> Sent: Monday, March 09, 2015 11:06 AM
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I’ve often wondered if birds foraging near runways at large airports exhibit some degree of deafness. The noise from the engines of a plane taxiing along the runway is extremely loud. As for Australia’s loudest bird – my nomination would be the Channel-billed Cuckoo. Stephen Ambrose Ryde NSW —–Original Message—– Andrew Taylor Sent: Monday, 9 March 2015 8:19 AM Cc: Birding-Aus On Sun, Mar 08, 2015 at 08:17:24PM +0930, Bob Gosford wrote: An involuntary contraction of muscles in their ear reduces their sensitivity when they call – something similar happens in mammal ears including humans. Bird inner ears are also more resistant to damage from loud noises than mammals and regenerate if damaged. Andrew
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Birds don’t go deaf because they can regenerate the hair cells (sensors) in their inner ear. Mammals can’t. Hair cells die when exposed to prolonged stimulation due to loud noise, which is why humans get industrial deafness. Regeneration of hair cells in birds was discovered about 30 years ago and has been the subject of much research because of its implications for potentially restoring hearing in humans. http://www.cochlea.eu/en/research-lines/regeneration Anyone who’s had an Eclectus Parrot on their shoulder will share my feelings about how unfair this is. Cheers Andrew Bell Katherine NT
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Difficult to beat our resident 80 Sulphur-crested Cockatoos when being put-up by a Brown Goshawk Andy
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On Sun, Mar 08, 2015 at 08:17:24PM +0930, Bob Gosford wrote: An involuntary contraction of muscles in their ear reduces their sensitivity when they call – something similar happens in mammal ears including humans. Bird inner ears are also more resistant to damage from loud noises than mammals and regenerate if damaged. Andrew
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In the international stakes, I don’t want to contemplate anything louder than the Three-wattled Bellbird. I thought Indian Peafowl were bad. https://m.youtube.com/watch?v=l9fBDQudmBk
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Steve – @Doctor_Dave Watson over at Twitter says “noisy scrub birds also ear-splitting at close range–a mate reckons they’re so loud because they’re deaf because they’re so loud!” … which opens another question – why don’t loud birds go deaf? — Bob Gosford Crikey.com The Northern Myth blog http://blogs.crikey.com.au/northern/ Alice Springs, NT Australia Ph: (+61) 0447024968 Twitter: @bgosford “The NT Government does not respond to random electronic gossip sites.”
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G’day Bob I once approached a Superb Lyrebird nest on a bank adjacent to a track in Kinglake NP, Vic and the alarm call from the chick inside was ear-splitting. Cheers Steve Clark Hamilton, Vic
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