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American Bullfrog Large frog that is mainly green, but mottled darker green and brown. Bullfrogs are often confused with Green Frogs as both types of frogs share many similar features. The main difference between Green Frogs and Bullfrogs is the location of the dorsolateral ridge. The dorsolateral ridge of Bullfrogs starts at the eye and hooks around the tympanum. In Green Frogs, the dorsolateral ridge runs down it's dorsal surface. Bullfrogs are also much larger than Green Frogs...This Bullfrog was about 10-12 cm long!  I was trying to catch one of these frogs for a homeschool lesson, and there were several bullfrogs in the pond, as well as tadpoles. I wasn't able to catch any though because they were too fast and gave warning croaks to their buddies. The frog in this shot was the largest one that I saw and it was bravely sitting alone like a sentinel.  American Bullfrog,American bullfrog,Fall,Geotagged,Lithobates,Lithobates catesbeianus,United States,bullfrog,frog Click/tap to enlarge

American Bullfrog

Large frog that is mainly green, but mottled darker green and brown. Bullfrogs are often confused with Green Frogs as both types of frogs share many similar features. The main difference between Green Frogs and Bullfrogs is the location of the dorsolateral ridge. The dorsolateral ridge of Bullfrogs starts at the eye and hooks around the tympanum. In Green Frogs, the dorsolateral ridge runs down it's dorsal surface. Bullfrogs are also much larger than Green Frogs...This Bullfrog was about 10-12 cm long! I was trying to catch one of these frogs for a homeschool lesson, and there were several bullfrogs in the pond, as well as tadpoles. I wasn't able to catch any though because they were too fast and gave warning croaks to their buddies. The frog in this shot was the largest one that I saw and it was bravely sitting alone like a sentinel.

    comments (4)

  1. Looks like a new species record was created because you used the new name for the species whilst other photos were mapped to the previous species name (Rana catesbeiana):
    https://www.jungledragon.com/specie/1424/american_bullfrog_rana_catesbeiana.html

    I'd say the best course of action is to use that existing record yet rename the binomial name there to use the new name. Agreed?
    Posted 7 years ago
    1. Yes, sounds good. Do I need to change anything? I was wondering what happened because I saw that there were other American Bullfrogs, but didn't notice the genus was different. Posted 7 years ago
      1. No, you don't have to do anything :)

        It's a system limitation, really. JungleDragon has no way of knowing that two binomial names refer to the same species. This understanding would only be possible with synonym data of all species which is not in place. Thus, the system thinks they are two separate species.

        Once the two are created as separate entries, I have to manually merge them into one. What I can do then is place a redirect where searching for the old name leads to the record with the new name. That's what I'll do.

        It does mean you'll lose your species intro though, sorry :)
        Posted 7 years ago
        1. Ok, thanks for explaining! No problem about the species intro, just glad that you caught the snafu so everything is posted correctly. Posted 7 years ago

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The American bullfrog, often simply known as the bullfrog in Canada and the United States, is a large true frog native to eastern North America. It typically inhabits large permanent water bodies such as swamps, ponds, and lakes.

Similar species: Frogs
Species identified by Ferdy Christant
View Christine Young's profile

By Christine Young

All rights reserved
Uploaded Feb 7, 2018. Captured Oct 5, 2017 14:19 in 5 East St, New Milford, CT 06776, USA.
  • Canon EOS 60D
  • f/5.6
  • 1/197s
  • ISO400
  • 100mm