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Saturday, September 6, 2025

The Invasive Bird, a House Sparrow - Critter 103

After second look, we recognize a bird sitting on the fence is a House Sparrow. The bird is well known as invasive species in our areas.


Fig 01 - A House Sparrow, a visitor

Invasive species means that House Sparrows may compete and even kill native species in our areas. 

Several species could be killed by House Sparrows are:
- Eastern Bluebirds (Sialia sialis)
- Tree Swallow (Tachycineta bicolor)
- Carolina Chickadee (Poecile carolinensis)
- Northern Flicker (Colaptes auratus)
- Downy Woodpecker (Dryobates pubescens)


Fig 02 - A corner of city

In our urban area, we may see aggressiveness of House Sparrow to kill birds in their nest, then take over the nest.


Fig 03 - A house Sparrow

Do you see a House Sparrow in your areas?

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39 comments:

  1. i think that sparrows are such cute birds, i did not know this about them. i guess this is nature "the circle of life"!! i get them in one of my bird houses every year, they nest and have babies. i have never noticed any negative behavior!!

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  2. Hello,
    Yes, the House Sparrows are not native to the USA. They seem to be all around the world. Thank you for linking up and sharing your post. Take care, have a great weekend.

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  3. ...I'm sorry to hear that it is invasive for you!

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  4. I don't think we see them here but I have learned something about them now. Thanks for the info!

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  5. Replies
    1. glad you know...

      Thank you-
      The Invasive Bird, a House Sparrow - Critter 103
      -
      After second look, we recognize a bird sitting on the fence is a House Sparrow. The bird is well known as invasive species in our areas.

      Delete
  6. They’ve become rare in our area now, but I still remember how common they were in my childhood.

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    1. Thank you-
      The Invasive Bird, a House Sparrow - Critter 103
      -
      After second look, we recognize a bird sitting on the fence is a House Sparrow. The bird is well known as invasive species in our areas.

      Delete
  7. Wow, I didn’t realize House Sparrows could be so aggressive 😟🐦 It’s sad to think of them threatening bluebirds and chickadees. Definitely makes me appreciate the importance of protecting native species. 🌿

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    1. surprising ...

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      The Invasive Bird, a House Sparrow - Critter 103
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  8. Interesting post, thanks so much for sharing it with us
    Have a nice day ♥

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    1. Thank you-
      The Invasive Bird, a House Sparrow - Critter 103
      -
      After second look, we recognize a bird sitting on the fence is a House Sparrow. The bird is well known as invasive species in our areas.

      Delete
  9. The sparrows have returned her, after som years missing. I have never noticed that they have done harm to other birds, especially not woodpeckers. They usually sit together in a bush all day, gossiping. They eat seeds and insects.

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    1. Thank you-
      The Invasive Bird, a House Sparrow - Critter 103
      -
      After second look, we recognize a bird sitting on the fence is a House Sparrow. The bird is well known as invasive species in our areas.

      Delete
  10. We have House Sparrows here as well, and they are a pest as well. But I can't help but remember when they were a native garden bird around my house. Things are never simple.
    Cheers - Stewart M - Melbourne

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    1. I see ..

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      The Invasive Bird, a House Sparrow - Critter 103
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  11. This is an interesting post.
    Greetings.

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    1. Thank you-
      The Invasive Bird, a House Sparrow - Critter 103
      -
      After second look, we recognize a bird sitting on the fence is a House Sparrow. The bird is well known as invasive species in our areas.

      Delete
  12. House sparrows certainly declined in numbers in central Europe where I live, which is sad to see.

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    1. Thank you-
      The Invasive Bird, a House Sparrow - Critter 103
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  13. Replies
    1. Thank you-
      The Invasive Bird, a House Sparrow - Critter 103
      -
      After second look, we recognize a bird sitting on the fence is a House Sparrow. The bird is well known as invasive species in our areas.

      Delete
  14. Wow! I didn't know those little birds were so aggressive!

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    1. Thank you-
      The Invasive Bird, a House Sparrow - Critter 103
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  15. we do see them a good bit and they really are aggressive. They also can make a huge mess on porches..

    ReplyDelete
    Replies
    1. Thank you-
      The Invasive Bird, a House Sparrow - Critter 103
      -
      After second look, we recognize a bird sitting on the fence is a House Sparrow. The bird is well known as invasive species in our areas.

      Delete
  16. Replies
    1. Thank you-
      The Invasive Bird, a House Sparrow - Critter 103
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      Delete
  17. Thanks for the comment.
    Have a great week.

    ReplyDelete
    Replies
    1. Thank you-
      The Invasive Bird, a House Sparrow - Critter 103
      -
      After second look, we recognize a bird sitting on the fence is a House Sparrow. The bird is well known as invasive species in our areas.

      Delete
  18. They are an invasive species in Australia as well. There is a very strict control program in some states to prevent their spread. I can't help but have a bit of a fondness for them nonetheless - they were a common bird around my childhood home.
    Cheers - Stewart M - Melbourne

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