Collared Sunbird (male) hanging upside from an orange flower

iSimangaliso Wetland Park, KwaZulu-Natal, South Africa (August 2009)

For more information on this bird species see the following links:
Collared Sunbird / Internet Bird Collection
Collared Sunbird / Bird Forum
Anthreptes collaris / IUCN Red List of Threatened Species
BirdLife International / Collared Sunbird Anthreptes collaris