1.   Caldwell said it was possible that other poisonous frog species in diverse locations like Madagascar and Australia also absorbed toxins from ants and other insects.

2.   He found patterns showing that sac walls resonate in some frog species and also in the ears of the North American bullfrog.

3.   Using a microscope, she examined the stomach contents of nine frog species from the Dendrobatidae family in the Nicaraguan and Ecuadorean jungle.

4.   Declining populations of some frog species around the world have focused attention and research dollars on the animals.

5.   Scientist Alberto Estrada found the new frog species hidden among leaves and ferns on Monte Iberia, a peak in eastern Cuba.