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Snakes in Hawaii !

March 17, 2010

Snakes, not worms.

The herpetological inventory (reptiles and amphibians) in West Hawai’i Island national parks was developed in order to determine which species of amphibians and reptiles have established populations on park lands in Hawaii, and if any of the species pose a threat to native Hawaiian ecosystems. We surveyed three national park units on the west side of the Big Island: Puuhonua o Hōnaunau, Kaloko-Honokōhau, and Puukoholā Heiau (PUHE). While the majority of the “herps” that we encountered during the surveys are familiar to most Hawai’i residents, I noticed that one particularly seldom-seen species was often found at PUHE: a blind snake (Ramphotyphlops braminus), usually located low on the trunks of kiawe trees.

The blind snake is one of two species of snakes found in Hawaii, the other being the yellow-bellied sea snake, a rare visitor to Hawaiian waters.  The blind snake usually goes unnoticed due to its burrowing lifestyle and its superficial resemblance to worms.  Before working at PUHE my only encounter with a blind snake was the unexpected emergence of an individual through a crack in the tile of my bathroom floor.  Due to the scarcity of tile floors at the historic site, I decided to venture into habitats slightly less anthropogenic.  Based on second hand accounts I expected to find blindsnakes beneath potted plants in wet, shaded gardens — so to find the snakes climbing trees in dry, dusty soil was a real surprise. 

This pan-Asian fossorial (underground) species of snake was introduced to Hawaii around 1930 from the Philippines.  An unusual characteristic of the blind snake is that it is the only known species of snake to be parthenogenic; that is, all members of this species are female.  For the full inventory report visit: http://www.botany.hawaii.edu/faculty/duffy/techr/141/v141.pdf
       — Jason Bazzano, Field biotech

A blind snake climbing a kiawe tree.

Don't worry, this small species of snake doesn't bite.

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19 Comments leave one →
  1. Pacific Island Ranger permalink*
    May 22, 2010 1:19 pm

    I’ve been on the Kona side for 2 years and haven’t seen 1 yet! Mahalo!

  2. Anonymous permalink
    June 6, 2010 4:38 pm

    found one on Kauai in 2001 at Lydgate park

  3. Thom lewis morrison permalink
    April 7, 2011 8:44 am

    I have found two within the last couple of months they are silver in color, I have one captive now.

  4. Mike permalink
    April 28, 2011 9:37 pm

    There are no snakes native to Hawaii. If you found them they were brought here. We need to raise awareness on this issue.

    • Pacific Island Ranger permalink*
      April 29, 2011 8:04 am

      This pan-Asian fossorial (underground) species of snake was introduced to Hawaii around 1930 from the Philippines.

    • May 2, 2011 12:23 pm

      The yellow-bellied sea snake is native to Hawaiian waters in that it arrives here, albeit very rarely, on its own. But you are certainly correct that there are no native terrestrial snakes in Hawaii.

  5. May 16, 2011 4:41 pm

    I had heard that there two species of blind snakes in Hawaii but that may just be consfusion on mine or someone elses part. I have seen several of these small black snakes when digging (such as that is in Hawaii) and when removing an old plastic swimming pool ) catchment liner. This was on the Kona side of the Big Island.

    One hears of occasional reports of snakes here, probably escaped pets. So far no infestations. Can’t believe people are foolish enough to sneak in pet snakes, as if our remaining native birds don’t have enough problems.

  6. Anonymous permalink
    August 12, 2011 4:22 pm

    I found one of the small black snakes in our
    pool today. Kona side of Hawaii.

  7. August 31, 2011 8:53 am

    i just found a blind snake today landscaping in florida. never seen one before this

    • Pacific Island Ranger permalink*
      August 31, 2011 8:56 am

      Wow! They are industrious little things aren’t they? lol

  8. May 3, 2012 10:35 am

    Although the Brahmin blind snake is not native, it is a fascinating denizen of our lowland urbanized and rural landscapes in Hawaiʻi, but donʻt play too hard with them, when overly disturbed they excrete a foul-smelling musk that reminds of fresh hot dog droppings!

  9. Anne permalink
    July 18, 2012 9:07 pm

    Mu daughter caught one tonight in Honolulu. On a walk

    • Pacific Island Ranger permalink*
      July 19, 2012 6:28 am

      wow! thanks for sharing!

  10. Melissa permalink
    August 20, 2012 1:02 pm

    Just found two o
    n Maui on my farm

  11. Jaystar permalink
    January 2, 2013 8:52 am

    For a blog entry on the blindsnake:
    http://www.maui.net/maui-people/blog/309/

  12. Connie Andrews permalink
    January 31, 2013 6:44 am

    Fascinating report. When I lived in Capt. Cook in 2000, I was lucky enough to see a Ramphotyphlops braminus while working in my garden. You are right, I thought it was a worm at first and then realized what I was looking at was the rare blind snake. I left her alone. My other encounters with snakes were all of the rattler species on the mainland and so this benign snake was a relief. Thanks again.

  13. Kealani permalink
    April 10, 2013 6:07 pm

    I have found 2 of these in my swimming pool, in Kihei, Maui. The first one I saw a few years ago was swimming in my pool the same time I was (about scared the $#!t out of me!). It wasn’t very small either! The second one I found today, at the bottom of my pool. Googled it to see what it was, and I found this page! Found out everything I wanted to know! Thanks for the info!

  14. May 8, 2013 6:13 pm

    Hey there! I’ve been reading your web site for a long time now and finally got the courage to go ahead and give you a shout out from Porter Texas! Just wanted to mention keep up the excellent job!

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