Nánlùjǐjīng tóubù de jiǎozhìliú shì biànrèn gètǐ de zhòngyào biāozhì.
The callosities on the head of the southern right whale are key markers for identifying individuals.
Tips
history
Called 'right' whale by 19th-century whalers because it was the 'right' one to hunt — slow, floats when dead, and rich in oil. Nearly driven to extinction; populations are now slowly recovering.
