Southern Double-collared sunbird on freylinia tropica plant Caption: Male Southern Double-collared Sunbird shows off its brilliant red collar and narrower, metallic blue collar while perched on a freylinia tropica plant, Curry’s Post, KZN, South Africa.

Camera: Canon EOS 50D; Lens Canon EF 400mm f/5.6L USM; Focal length 400mm; Shutter speed: 1/2000; Aperture: f/5.6; ISO 800; Exposure compensation: +1.

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