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Questions tagged [evolution]

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7 votes
1 answer
53 views

Are there any (natural) ears that are sensitive to particle acceleration?

I know 2 types of ears in the animal kingdom: tympanal ears to detect the force exerted by air particles on a surface a.k.a. sound pressure (e.g. in mammals, birds, some insects, etc) hairs/antennal ...
Noil's user avatar
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11 votes
1 answer
93 views

Could some dinosaurs have outer ears (auricles/pinnae)?

In addition to potentially sense vibration through the ground, dinosaurs are believed to have had ears, located on the head, with a frequency sensitivity ranging up to a couple of kHz. Did they have ...
Noil's user avatar
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5 votes
2 answers
1k views

Have mosquitoes evolved to be quieter?

I live in northern Italy and until three or four years ago I would easily hear the annoying buzzing sound mosquitoes made at night while I lay under the sheets. But that's no longer true. Apart from ...
Mari-Lou A's user avatar
11 votes
1 answer
339 views

Is there any insects which produce sound with their mouth part?

Many animals produce sounds with the help of their lungs to make their vocal folds vibrate, and then use their vocal tract to amplify some frequencies. Is there any insects which sounds are diffused ...
Noil's user avatar
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9 votes
1 answer
55 views

Does a highly-sensitive auditory organ necessarily imply a behavioural response to sound?

My question could be about any sensory modalities but it rose with the case of hearing in female mosquitoes. Females mosquitoes of most species does not behaviorally respond to sound stimuli (contrary ...
Noil's user avatar
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15 votes
2 answers
101 views

How much do the sea-wave sounds interfere with acoustic communication in sea animals?

During storm / bad weather, sea waves produce powerful acoustic energy. In sea animals which use sounds to communicate, is there any studies about how they cope with this? As any species in a given ...
Noil's user avatar
  • 4,131
3 votes
1 answer
35 views

Tympanal versus antennal hearing: Why is tympanal hearing preferred for long-range?

There are 2 types of ears (in insects see here): tympanal ears to detect the sound pressure (force exerted by air particles on a surface) hairs/antennal ears to detect the air particle-velocity ...
Noil's user avatar
  • 4,131