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[–] 25 points 2 days ago (3 children)

But this occupies 0.001% of my visual field, just to save some wildlife?

More of this kind of regulation please.

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  • [–] 5 points 2 days ago (2 children)

    Well, since there are alternatives that achieve the same, but invisible to the human eye, i still think its an annoying choice.

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  • [–] 2 points 1 day ago (1 child)

    Any idea what they are? haven't seen those before, lol. But seriously, I'm curious

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  • [–] 4 points 1 day ago

    My dumbass kept reading bird class. All building tenants must be able to accurately ID local bird life.

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  • [–] 11 points 1 day ago* (last edited 1 day ago) (2 children)

    We need these for Humans. I work in a building with a large public work space. It is in the corner of the building with three glass walls. The single door is in the middle of the glass wall. We have had so many people walking right into the glass that we had to put logos on the glass to keep people from doing it. We have one lady with a huge collection of security camera footage of all the people doing it.

    I'm glad the cameras were not installed when I did that a few days after I started hooking up all the networking gear.

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  • [–] 16 points 2 days ago (1 child)

    Does it really work, or do birds still crash into the windows, misjudging the small dots for insects?

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  • [–] 320 points 3 days ago* (last edited 2 days ago) (102 children)

    FYI, not all bird glass has visible fritting. They also come with UV reflective coatings that are almost transparent to the human eye (unless you're really close to the glass), e.g.,

    Some UV treatments are stripes, others similar to an elongated version of the fritting from OP, and then there's the camo-stick-like version above. Stripes are the most noticeable to humans.

    ETA: From personal experience, the glass is completely transparent from ~2+ meters away, and you have to be very close or staring directly at glare from the sun to see it when <2m away.

    ETA2: Someone else shared the Wikipedia article on bird collisions below, but I wanted to take a second to highlight this graph from the article:

    If you think bird safe glass is cool, spaying/neutering your cats and keeping them inside or on a leash is waaay cooler.

    (This graph doesn't include indirect causes of death like climate change, deforestation, and pesticide use, but that doesn't make responsible pet ownership any less cool)

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  • [–] 23 points 2 days ago (2 children)

    Also note how low wind turbines actually are on that list. The oil industry lives to harp on the number of birds killed by wind turbines, but you never hear them about the much larger number of birds killed by vehicles.

    Still worth reducing every number on that list of course, but keep some perspective.

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  • [–] 5 points 1 day ago (4 children)

    Someone should figure out how to paint cats so that birds can avoid them.

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  • [–] 9 points 1 day ago (3 children)
  • [–] 49 points 3 days ago* (19 children)

    That's blowing my mind that birds, masters of the sky - a realm to which they can easily escape to where few can follow, are such a frequent snack for cats, who under usual circumstances don't often fly. Cats are like ninjas.

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  • [–] 4 points 1 day ago* (3 children)

    Is the cat issue specific to the Americas or something? Because here in Europe we've had cats for thousands of years and in Africa they existed long before that even, so I don't see how some pets getting out sometimes is any worse than the feral cats that existed long ago

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  • [–] 2 points 1 day ago

    Birds that get eaten tend to have high reproductive rates, and if predator levels drop their population gets so high they start to die from hunger or disease (which spreads faster in crowded conditions). Many predators eat an incredible number of animals - a large owl may eat several small birds every day for itself, and a multiple of that if feeding nestlings. Cats aren't unique here.

    Domestic cats can be a threat to specific populations already endangered by other factors, but usually those are ground animals. Cats being a threat to population levels of birds in most of the world just isn't believable to me.

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  • [–] 1 point 1 day ago* (last edited 1 day ago)

    I have always suspected it's a minor bit of public misdirection to keep the stray cat population down in North America. Other parts of the world have much larger numbers of outdoor cats and their bird populations are no worse off.

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  • [–] 3 points 1 day ago

    Domestic cats that go out to hunt aren't controlled by natural causes, like food availability for example. But they go out at night to hunt nonetheless, and they're usually in their peak conditions because they don't have to go hungry for long periods of time.

    As numbers that I am aware of,

    Cats kill an estimated 50-200 million birds annually in Germany, according to NABU and Max Planck Institute estimates

    With a cat population of Germany approximately 15 million, most of which are permanently indoor, the rest are keeping themselves very busy for no reason

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  • [–] 1 point 1 day ago

    Cats get the most common types of birds, though, while windows can get entire flocks of less common birds during migration. For susceptible migratory birds, windows are a much higher population level threat.

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    [–] 36 points 2 days ago (3 children)

    Worth it. Thank you smart people for saving what birds we can.

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    [–] 52 points 3 days ago (6 children)

    My grandparents lived near an estuary and had to put the dot stickers on their big, west-facing sliding glass doors to stop the high-speed waterfowl crashes that would happen every month or so. While I certainly understand it’s best for the ducks, one of my oldest memories is of hearing a BANG! And looking out the door to see a disoriented duck staggering around on the deck before shaking it off and flying away unsteadily.

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  • [–] 72 points 3 days ago (1 child)

    Many birds die afterwards by cerebral bleeding.

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  • I used to clean windows on big buildings. One time I was sent this new building that had just been put up in the span of about a year. They obviously didn't give a shit about any birds because when I was on their 7 floor patio one day I counted about 20 dead birds.

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  • [–] 28 points 3 days ago

    Bird–window collisions (also known as bird strikes after the aviation term or as window strikes) are a problem in both low- and high-density areas worldwide. Birds strike glass because reflective or transparent glass is often invisible to them.[1] Previous research estimated that between 100 million and 1 billion birds are killed by collisions in the United States annually,[2] but a 2024 study on the survival rate of bird-building collision victims indicates that previous research was vastly underestimating the number of deaths caused by collisions, and in actuality well over 1 billion birds die from collisions in the United States every year.

    https://en.wikipedia.org/wiki/Bird%E2%80%93window_collisions

    The ducks that were able to walk away were lucky, probably not flying at full speed yet. And they were still probably concussed afterwards.

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    [–] 10 points 2 days ago (3 children)

    i hit a goose with a car once and i still mourn that moment.

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    [–] 20 points 2 days ago

    I had to put decals on the bottom of my glass door to keep my dumb dog from bonkin' his noggin.

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  • [–] 15 points 2 days ago (3 children)
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