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Why would Lizards drop their tails?

 
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balam
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PostPosted: Thu Apr 02, 2009 7:11 am    Post subject: Why would Lizards drop their tails? Reply with quote

http://www.sciencedaily.com/releases/2009/03/090325170604.htm

If this is somewhat true, it could offer insight as to why that Alligator Lizard was found with a full tail (Burned Lands),

I remember Caco mentioning he had only seen one rattler in over 2 years (correct me if I'm wrong).

If there really is a low count population of venomous vipers in the area then the Lizards would have no real need to shed their tails. Smile

-And now I know why Kyle slapped my hand away when I was going for the tail Sad.... ha ha Smile -
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What
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PostPosted: Thu Apr 02, 2009 9:53 am    Post subject: Reply with quote

Rattlers generally dont go after lizards. That would be something a gopher or king snake would be doing...

Also, you have to remember that birds are also a predator of lizards and that maybe the reason is that that particular lizard was just lucky. Wink
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Steven
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PostPosted: Thu Apr 02, 2009 12:13 pm    Post subject: Reply with quote

Vipers have poor sight dont they ...thought they relied on heat and movement for striking prey.  If so...lizards probably scoot right past em.   ??
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Herpetologyfrk



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PostPosted: Thu May 14, 2009 12:31 am    Post subject: Reply with quote

Steven wrote:
Vipers have poor sight dont they ...thought they relied on heat and movement for striking prey.  If so...lizards probably scoot right past em.   ??


Unless they were in the sun all day =P
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Matt Kogler



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PostPosted: Wed May 20, 2009 9:30 am    Post subject: Reply with quote

What wrote:
Rattlers generally dont go after lizards. That would be something a gopher or king snake would be doing...


This is incorrect... Most Crotalids feed primarily on lizards as juveniles & sub adults, then progress onto rodents as adulthood sets in. Some are almost exclusively lizard feeders, such as C. cerastes...
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cacoseraph
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PostPosted: Wed May 20, 2009 11:03 am    Post subject: Reply with quote

actually i have seen two more since the one... more than any other year, full stop (they were never super common out there, from my perspective. whether that is the case or not, i don't know... my perspective is quite limited). i think in all the years out there i have seen... seven total. and three were in the last couple months!


i freaking KICKED another southern pacific. that is the only time i just plain left cuz i *knew* i had just used up all my luck for the day!  and i had a dog friend with me... and i swear it wanted to eat the rattler!  it was a bit hectic for about 10-15 seconds, hehe

and my brother came within three feet of what i think is a different species.   the two southern pacifics i saw either had no diamond pattern in an opposite color on a dark brown body or a like, single scale wide light yellow diamond pattern on a very dark brown body.  the last rattler we saw had at least a two scale wide light diamond pattern on a dark body... and was more fat/wide than the other two i saw.  my rattler observation skills are pretty much nothing, though... and i do tend to get a bit excited when i see them which probably makes me an even worse witness =P


i am more cautious when bushwacking out there, that is for dang sure!
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Celeste
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PostPosted: Wed May 20, 2009 12:09 pm    Post subject: Reply with quote

Yeah -- I've come within about 18" of rattlers that were coiled under brush before seeing them.  It wasn't even *rattling*!  I froze *REAL QUICK* and backed off *REAL SLOW*!  (I know that's not grammatically correct -- it just sounds good).
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Matt Kogler



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PostPosted: Wed May 20, 2009 1:48 pm    Post subject: Reply with quote

Hell thats my favorite thing to do.... (No really.... ::lol::) Rolling Eyes
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What
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PostPosted: Wed May 20, 2009 11:51 pm    Post subject: Reply with quote

Matt Kogler wrote:
What wrote:
Rattlers generally dont go after lizards. That would be something a gopher or king snake would be doing...


This is incorrect... Most Crotalids feed primarily on lizards as juveniles & sub adults, then progress onto rodents as adulthood sets in. Some are almost exclusively lizard feeders, such as C. cerastes...

I was mostly referring to adult/subadult snakes, but you are indeed correct that juvies will feed on lizards.

Any idea if they will also feed on frogs? I know gophers/kings will feed on those readily when young, but no idea about rattlesnakes...
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Matt Kogler



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PostPosted: Thu May 21, 2009 8:10 am    Post subject: Reply with quote

Never heard of Crot's eating amphibians. However the massasauga are a group I have never owned, or worked with. The Easterns have a range that extends up into Canada, lots of amphibians share their habitat. This is a species you may want to look into for that info..
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Celeste
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PostPosted: Thu May 21, 2009 9:12 am    Post subject: Reply with quote

I think this thread has diverged from Gonzo's original question:  why would lizards drop their tails?

Usually, it's to escape from or distract predators such as birds or coyotes.  If the predator grabs the tail, it breaks off and that's all they get.  Or, if the tail breaks off in the fray, it thrashes around thereby distracting the predator while the animal escapes.



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