Despite an extremely high manatee mortality rate in 2005, wildlife scientists in Florida have proposed a downlisting of the species from "endangered" to "threatened" under state law.
A Northern bottlenose whale took a wrong turn and wandered up the River Thames to central London in late January, much to the delight of hundreds of Londoners.
The US Navy is planning a 550-square mile permanent active sonar range off the North Carolina coast—a hotspot for marine mammal species such as the highly endangered North Atlantic right whale.
