Threatened Cambodia river dolphins making comeback

The population of Cambodia’s critically endangered river dolphin is growing for the first time in decades, conservationists said on Monday, hailing a major turnaround for the freshwater species.
The Irrawaddy dolphins, known for their bulging foreheads and short beaks, once swam through much of the Mekong river but in recent decades have been limited to a 190km (118 mile) stretch from central Cambodia to its northern border with Laos.
The population has been in steady decline since the…