The two conjoined grey whale calves
Media playback is unsupported on your device

'Exceptionally rare' conjoined whale carcass found off Mexican coast

9 January 2014 Last updated at 13:53 GMT

A pair of conjoined grey whale calves have been found by fishermen in a lagoon in Baja California, in Mexico.

Scientists say the whales - which are thought to have died shortly after birth - are exceptionally rare.

Tom Santorelli reports.

Related Topics