Sir David Attenborough returns to narrate amazing stories of dedication, ingenuity and sacrifice, as animal parents embark on ...

The rainforest has many layers There are thousands of tree species in the Amazon rainforest, many of which grow to between 80 and 100 feet tall, developing huge networks of branches that make up ...

Learn about the successful rescue and reintroduction efforts of the California red-legged frog in Santa Monica Mountains.

How do scientists monitor the populations of the threatened California red-legged frog? With careful listening and a little ...

Years ago, scientists moved eggs of a federally threatened frog from Mexico to Southern California. Audio monitoring -- with an AI assist -- now shows the complicated conservation effort is working.

Years ago, scientists moved eggs of a federally threatened frog from Mexico to Southern California. Audio monitoring -- with an AI assist -- now shows the complicated conservation effort is working.

Red-legged frogs, thought extinct in Santa Monica Mountains, return after conservation efforts by the Aquarium of the Pacific and National Park Service.