334 



WHALES 



Figure i8j. Aiigralory routes of Humpbacks and main hunting grounds in warm Southern 

 waters. {From data by the National Institute of Oceanography.) 



it is desirable for the young to be born in shallow water. The figure, which 

 is based on the whaling statistics, is also corroborated by observations 

 from ships (see p. 330). The whale, which was widely reported not only 

 to have splashed curious spectators who had rowed out to watch in small 

 boats, and to have rammed a pier, but also to have given birth to a calf 

 in Durban Harbour (September 1956), is therefore likely to have been a 

 Humpback - particularly since it was said to have been covered with what 

 appear to have been barnacles. In addition to being found off the con- 

 tinental coasts, Antarctic Humpbacks can also be found in large numbers 

 off the Pacific islands right up to Hawaii, where in winter they have often 

 been observed with their calves. W. H. Dawbin, who has collected a great 

 deal of information on the migration of Humpbacks, concluded that 



