A distinctive croak heralded a new species of frog in New York.
Fire ants play a care-giving role for butterfly larvae.
Beetle predators consider nutrition when choosing their prey.
Scientists observe dolphins and whales at play in Hawaiian waters.
Conservation efforts lead scarlet macaws toward a comeback in Guatemala.
Worldwide, a diversity of life dwells deep in the dirt.
Prey strike back! For ground beetle larvae, predators are on the menu.
Thanks to local people, a Mexican marine park makes a record recovery.
Accidental netting of related dolphins threatens their genetic future.
Coexisting with the powerful Mississippi River is a challenge for flood-prone communities.