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Thread: Need help with sexing Colorado River toads

  1. #1
    cosyis77
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    Default Need help with sexing Colorado River toads

    Does anybody know how to sex them? I have two sub adults, but dont know their sex.

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  3. #2
    Founder John's Avatar
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    Default Re: Need help with sexing Colorado River toads

    Size (females are bigger) and body shape (females are wider) are the main methods. I can usually tell just by looking at them. Do you have any photos?
    Founder of Frogforum.net (2008) and Caudata.org (2001)

  4. #3
    SethD
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    Default Re: Need help with sexing Colorado River toads

    Quote Originally Posted by cosyis77 View Post
    Does anybody know how to sex them? I have two sub adults, but dont know their sex.

    if they are still sub adults it is unlikely that they will be sexable, otherwise what John said, it is the same with the majority of toad species.

  5. #4
    cosyis77
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    Default Re: Need help with sexing Colorado River toads

    Quote Originally Posted by John View Post
    Size (females are bigger) and body shape (females are wider) are the main methods. I can usually tell just by looking at them. Do you have any photos?
    Sure,here is the link http://www.flickr.com/photos/47785392@N05/4535824719/

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    Founder John's Avatar
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    Default Re: Need help with sexing Colorado River toads

    Quote Originally Posted by SethD View Post
    if they are still sub adults it is unlikely that they will be sexable, otherwise what John said, it is the same with the majority of toad species.
    Actually I can sex the juveniles pretty well from about an inch and a half in size - males just have a different appetite and shape to females.

    Quote Originally Posted by cosyis77 View Post
    That photo is pretty small. Do you have more, bigger photos. And can you tell us how long they are (from tip of nose to the tip of their vent/rear end)?
    Founder of Frogforum.net (2008) and Caudata.org (2001)

  7. #6
    cosyis77
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    Default Re: Need help with sexing Colorado River toads

    Quote Originally Posted by John View Post
    Actually I can sex the juveniles pretty well from about an inch and a half in size - males just have a different appetite and shape to females.


    That photo is pretty small. Do you have more, bigger photos. And can you tell us how long they are (from tip of nose to the tip of their vent/rear end)?

  8. #7
    cosyis77
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    Default Re: Need help with sexing Colorado River toads


  9. #8
    cosyis77
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    Default Re: Need help with sexing Colorado River toads


  10. #9
    cosyis77
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    Default Re: Need help with sexing Colorado River toads

    They are both 4"

  11. #10
    Founder John's Avatar
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    Default Re: Need help with sexing Colorado River toads

    Looks like 2 males to me, though the second one might be female. Check the thumbs of the front feet - do they have "pads" there? Males have these to hold on to females during breeding.
    Founder of Frogforum.net (2008) and Caudata.org (2001)

  12. #11
    cosyis77
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    Default Re: Need help with sexing Colorado River toads

    Quote Originally Posted by John View Post
    Looks like 2 males to me, though the second one might be female. Check the thumbs of the front feet - do they have "pads" there? Males have these to hold on to females during breeding.


    Both males?

  13. #12
    SethD
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    Default Re: Need help with sexing Colorado River toads

    Quote Originally Posted by cosyis77 View Post
    Both males?
    Definitely.Those nupital pads are pretty obvious and that is a dead give away.

  14. #13
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    Default Re: Need help with sexing Colorado River toads

    There you go, both males. Females are almost round in comparison to males, when viewed from above.
    Founder of Frogforum.net (2008) and Caudata.org (2001)

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