Why Are These Frogs Croaking?

Kluger, Jeffrey; Scalet, Cristina
January 2006
Time;1/23/2006, Vol. 167 Issue 4, p57
The disappearance of harlequin tree frogs in Central and South America has led scientists to make a definitive connection between global warming and extinction. In the past 25 years two-thirds of the 110 species of tree frogs have become extinct. Frogs are particularly sensitive to their environments. The fate of the harlequin tree frog is a sign of things to come if countries do not put a halt to pollution and global warming.


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