Science news articles about 'red eyed treefrog'

... to the frogs' long-term survival. Red-eyed treefrogs, Agalychnis callidryas, lay jelly-covered egg ... low as 2% air saturated in the middle of red-eyed treefrog eggs—yet the embryos refrain from hatching ...

Red-eyed treefrog embryos react to environmental oxygen concentration before they have blood or muscular movement. These initial responses to the environment may be critical to the frogs' long-term ...