Young male lesser double collared sunbird starting to develop mature plumage, at Kirstenbosch National Botanical Garden, Cape Town, South Africa
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/93242958@N00">Derek Keats</a> from Johannesburg, South Africa
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/dkeats/8419596376/">Southern Double-collared Sunbird (Lesser Double-collared Sunbird), Cinnyris chalybeu</a>