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Artificial Refugium rule
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this post was submitted on 25 May 2024
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Nobody complains about bats, bats are awesome and hard to notice anyway
that last bit tells me you're either old or have hearing damage: we have some bats around me and despite never once seeing them it's plainly obvious to me that they exist thanks to their shrill squeaky calls in the twilight.
https://www.youtube.com/watch?v=X4eqkaHkTAI
Linking to a guy using an expensive ultrasonic mic to hear bats doesn't really support youe statement that you're hearing bats around you despite never seeing them. Maybe you have hearing damage?
I mean if they do I'm kinda jealous of their newfound ultrasonic hearing abilities
he literally says in the video that their calls range from 20kHz to 200kHz, with 20kHz being the normal top range of human hearing for someone without hearing damage.
WHAT?
Note: hearing damage includes being over thirty.
I live in an HOA (obligatory Fuck them)
They put up numerous bat boxes on poles around the common wooded area and a large retention pond right about the time Covid started.
Main reason is it’s free insect killers. We have tons of pests anyway being so close to a wooded area and a lake + the retention pond we have and the added bats help to clear some of them out.
As for the noise, no you really don’t hear them here. All the frogs are the loudest things heard of a night.
Sitting out on my deck listening to the frogs/nature at night. I still hear the bats when they are within 20ft. It isn't loud but you hear them. They are a pleasant addition to the symphony that goes on at night.
Now... fuck pheasants at night they are loud and when you don't know what the sound is its creepy
Some species of bats spend more time in the upper ranges that no human can hear than others.
The spotted bat for instance, is found on west coast if North America and mostly calls at 11khz well within even older human hearing while other bats operate entirely outside human hearing.
Here is an alternative Piped link(s):
https://www.piped.video/watch?v=X4eqkaHkTAI
Piped is a privacy-respecting open-source alternative frontend to YouTube.
I'm open-source; check me out at GitHub.
Interesting. Probably the species around where I live don't make much noise, nobody else hears them here
maybe swedish ones are just constantly death metal growling