NORRIS ET AL : BEHAVIOR OF CALIFORNIA GRAY WHALE 



FIGURE 1. — Chart of the capture and study areas in Magdalena Bay area of Baja California Sur, Mexico. Calves were captured in the 

 channel off Puerto Lopez Mateos, at Colina Coyote, and at Puerto San Carlos. Inset map shows area around Colina Coyote, where most 

 observation was done, with names of topographic features given by the study team. 



sand hill nearby to prevent undue disturbance of 

 whales in the adjacent channel and to allow easy 

 access to the top of the dune. 



A standard assemblage of telephoto-equipped 

 still and moving picture cameras, a spotting scope, 



binoculars, and watches was used in recording. 

 Nighttime observations were assisted by use of a 

 Zoomar image intensifying night vision scope. 



Watches were kept with two observers each and 

 daily observation of tidally related movements 



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