When ice and snow begin to melt in California's high-elevation waters, male frogs hop into action. Emerging from hibernation, they head to lakes and ponds scattered throughout the area and begin ...

Duration: 45:29 minutes. Text and color photography of each species in booklet. Presents sounds of 130 species. siris_sil_713687 ...

Tropical bats learn to “eavesdrop” on their prey over time to help distinguish between tasty and toxic frogs, a new analysis suggests. The study looked at fringe-lipped bats that range from Panama to ...