A new study from the Smithsonian Tropical Research Institute (STRI) shows that red-eyed treefrog embryos hatch early when exposed to high ammonia levels — an environmental cue that it’s too hot and ...
Even a 5-day-old frog has to balance the benefit of avoiding a hungry snake against the cost of hatching early. And, in fact, Warkentin and her colleagues have documented that early-hatching tadpoles ...
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