During a pec wave, this whale's pectoral fin slices through the water as it moves against a strong surface current and high winds. Its unique coloration pattern is clearly visible on the fin. The turquoise coloration seen just below the surface is a continuation of that black-and-white coloration pattern on the whale's ventral aspect.

6 March 2012
A Humpback calf executing a partial breach. Ma'alaea Bay, Maui, 17 Februarey 2012. edit
A Humpback calf executing a partial breach. Ma'alaea Bay, Maui, 17 Februarey 2012.
This Humpback calf repeatedly breached for more that 20 minutes. Ma'alaea Bay, Maui -- 17 February 2012.
The barnacles encrusting its flukes are plainly visible in this photo of a young adult whale performing fluke slaps offshore from the beach adjacent to the Kealia Pond Wildlife Refuge.  
12 February 2012
This Humpback calf repeatedly breached for more that 20 minutes. Ma'alaea Bay, Maui -- 17 February 2012
A young Humpback calf at the surface; Ma'alaea Bay, Maui, 17 February 2012.
The distinctive "notch" in the trailing edge of the right-side fluke of this whale will serve as a positive "marker" when researchers next record its presence in Maui's waters.

17 February 2012
A Humpback calf breaching near Ma'alaea Harbor. 

12 February 2012.
This Humpback calf repeatedly breached for more that 20 minutes. Ma'alaea Bay, Maui -- 17 February 2012.
This Humpback calf repeatedly breached for more that 20 minutes. Ma'alaea Bay, Maui -- 17 February 2012.
This Humpback calf repeatedly breached for more that 20 minutes. Ma'alaea Bay, Maui -- 17 February 2012.
See photo in original gallery.