Whale Playground Sheds Light on Melting Arctic
Beluga whales are a "bellwether species" for Russia's melting Arctic. |
Cuckoo Chicks Change Calls to Mimic Host
Chicks of Australian cuckoos are found to be masters of deception. |
Frog's Ears Can Switch Frequencies Like Radios
A frog can tune its ears to different sound frequencies, like the tuner on a radio. |
Gray Wolves Returned to Endangered List
A federal judge restores endangered species protections for Rockies gray wolves. |
Coral-Wrecking Starfish Curbed by Fishing Regs
No-take marine reserves protect coral by controlling invasive starfish. |