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Sceloporus occidentalis egg incubation

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Posted by: pyromaniac at Fri Jul 11 08:02:20 2008  [ Report Abuse ] [ Email Message ] [ Show All Posts by pyromaniac ]  
   

What is the proper temperature range for incubating Sceloporus occidentalis eggs?
How long will it take them to incubate and hatch?
Is the gender temperature sensitive; i.e. Ecologist Alexander Quinn of the University of Canberra in Australia and his colleagues incubated bearded lizard eggs at a range of temperatures. Much like some birds, the genetics of bearded lizards' gender are the reverse of humans: Females have two different sex chromosomes (called Z and W) and males bear two of the same (Z). Between temperatures of 22 degrees C (72 degrees F) and 32 degrees C (90 degrees F), the eggs hatched an equivalent number of males and females. But once temperatures climbed above 34 degrees C (93 degrees F), the majority of hatchlings were female.
Different species and temperature range, same principle?


   

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>> Next Message:  RE: Sceloporus occidentalis egg incubati - JasonW, Sat Jul 12 14:35:10 2008