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Table 2.

Survival of gray treefrogs of both species and from several populations to various freezing temperatures

Temperature (°C)
Population/Species−3.5−4.5−5.5−6.5−7.5
Indiana      
H. chrysoscelis 3/3 6/6 6/12 0/9  
H. versicolor 3/3 6/6 2/10 3/9 0/1 
Minnesota      
H. chrysoscelis   4/5 1/4  
H. versicolor   5/5 2/7  
Missouri      
H. chrysoscelis   1/3   
H. versicolor   2/3   
Temperature (°C)
Population/Species−3.5−4.5−5.5−6.5−7.5
Indiana      
H. chrysoscelis 3/3 6/6 6/12 0/9  
H. versicolor 3/3 6/6 2/10 3/9 0/1 
Minnesota      
H. chrysoscelis   4/5 1/4  
H. versicolor   5/5 2/7  
Missouri      
H. chrysoscelis   1/3   
H. versicolor   2/3   

Frogs were not used in more than one experiment.

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