This video says about itself:
New Zealand woodpigeon feeding on yellow blossoms
13 December 2014
This pigeon was filmed at Zeelandia, Wellington. The commentaries in the video was made by our very knowledgeable volunteer guide at the sanctuary.
From the Bird Ecology Study Group:
New Zealand Pigeon (kereru)
24 Dec 2014
The New Zealand Pigeon (Hemiphaga novaeseelandiae) is a rather large bird, ~ 50 cm long, often sighted sitting quietly on tree branches. Its distinctive white underparts enable the birdwatchers on the ground to spot it easily.