Richard Sabin from the Museum explains 'the help of individuals in reporting strandings, both on land and at sea, is vital to our research.'
If you ever find a whale, dolphin or porpoise stranded on a beach the first thing to remember is don't touch!The animal might be ill and humans can catch diseases from an animal, even if it is already dead.
If you do spot a stranding here's what to do:
If the animal is still alive call the RSPCA. In England or Wales phone 0870 555 5999. In Scotland phone 0131 339 0222.
If the animal is dead there are different numbers to call.
England: 0207 942 5155 (Natural History Museum).
Scotland: 01463 243 030 (Scottish Agricultural College).
Wales: 01348 875 000 (Marine Environmental Monitoring).